The top ten most popular male names account for 23% of all names.
The most common name for popes is John, having occurred 23 times.
The average temperature on Mars is 23 degrees centigrade below freezing. Brrrrr.
There are 23 pairs of human chromosomes.
In World War I there were 23 countries allied against Germany, Austria-Hungary, Turkey and Bulgaria.
In 1988 there were 23 million residences in England and Wales.
Over 15,000 allied air raids were flown during the Gulf War in 1991 and only 23 aircraft were lost.
The USA conducted 23 atomic and hydrogen-bomb tests on the Bikini atoll in the Marshall Islands.
The Soviet space station Mir weighs almost 23 tons.
23 is a prime number.
