Answer
Multiples of 1223 are:
1223, 2446, 3669, 4892, 6115, 7338, 8561, 9784, 11007, 12230, 13453, 14676, 15899, 17122, 18345, 19568, 20791, 22014, 23237, 24460, 25683, 26906, 28129, 29352, 30575, 31798, 33021, 34244, 35467, 36690, 37913, 39136, 40359, 41582, 42805, 44028, 45251, 46474, 47697, 48920, 50143, 51366, 52589, 53812, 55035, 56258, 57481, 58704, 59927
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