23 × 5 × 11 × 3943
1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3943, 7886, 15772, 19715, 31544, 39430, 43373, 78860, 86746, 157720, 173492, 216865, 346984, 433730, 867460 and 1734920
No.
Its nearest Fibonacci number neighbors are 1346269 and 2178309.