Has an AFL game ever ended 123-60?
Exactly once. On June 16, 2006, Adelaide beat St Kilda 123-60, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 123-60 in league history.
That makes 123-60 the 3883rd most common final score out of 6,649 that have ever occurred in AFL. One point away, 124-60 has happened 1 times and 123-61 has happened 7 times.