Videotwenty-three
The word twenty-three is a fundamental cardinal number used to describe a quantity of exactly three more than twenty. This lesson explores its dual role as both a noun and an adjective, providing clear examples of how to use it in mathematical contexts, sports identification, and everyday counting. You will also learn about its ordinal form, twenty-third, and discover the playful, informal idiom Catch-23. We cover everything from Roman numeral representations to proper hyphenation rules for compound numbers. Watch the lesson to master the usage of this common number.