Fatto generale: 1223 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1223 is the smallest number with complexity 24.
Trivia: 1223 is an uninteresting number.
Data storica: May 7th is the day in 1994 that Edvard Munch's iconic painting The Scream is recovered undamaged after having been stolen from the National Gallery of Norway in February.