Has an AFL game ever ended 123-105?
Exactly once. On May 6, 1978, Sydney beat Footscray 123-105, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 123-105 in league history.
That makes 123-105 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 124-105 has happened never and 123-106 has happened 1 times.