According to the birthday paradox, a group of 23 randomly selected people is the smallest group where the probability is more than 50% that two people will share a birthday
Blood circulates the body on average every 23 seconds
W is the 23rd letter in the alphabet. It has 2 points down and three points up and located on your keyboard below the 2 and 3
The Knights Templar had 23 Grand Masters, the last being Jacques de Molay
23 is the number of distinct orientations of ®Tetris pieces
Human beings have 23 pairs of chromosomes
Pliny the Elder was born in 23 AD
23 is the standard TCP/IP port number for Telnet connections
The Qur'an was revealed to Mohammed over a period of 23 years
The Meroitic alphabet, which was originally derived from Egyptian hieroglyphs, contains 23 letters.
Michael Jordon wore number 23 (he also set the record for most consecutive points scored by a single player in a game - 23)
The tropics of Cancer and Capricorn are located at 23 degrees north and south latitude respectively
Psalm 23 is the most familiar and memorized chapter in the Bible
The average head of human hair can support 23 tons of weight
In the movie The Big Lebowski, the Dude and his friends always use Lane 23 at the bowling alley
23 people were executed in "A Tale of Two Cities"
The first song on Side A of The Beatles' first album took 23 takes to record
The male sexual cycle has an interval of 23 days (The female cycle is 28 days - which explains so much)
Dr Pepper now boasts being an "authentic blend of 23 flavors"
The city of Havana, Cuba is located at 23 degrees north latitude
Julius Ceaser was stabbed 23 times
There were 23 problems on David Hilbert's famous list of unsolved mathematical problems, presented in Paris in 1900
23 is the atomic number for Vanadium which is mainly used in the production of super specialized steel alloys