Fatto generale: 17123 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 17123 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 17123 is a boring number.
Data storica: November 17th is the day in 1973 that the Athens Polytechnic Uprising against the military regime ends in a bloodshed in the Greek capital.