For the year, see 23. Twentythree is a natural number. It comes between twentytwo and twentyfour, and is an odd number. It is also the 9th prime number, after 2, 3, 5, 7, 11, 13, 17, and 19 . This short article about mathematics can be made longer. You can help Wikipedia by adding to it.23 is a year in the 1st century. It was a common year starting on Friday of the Julian calendar . At the time, it was known as the Year of the Consulship of Pollio and Vetus .
Download Image: download
