23 × 5 × 157 × 141709
1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 141709, 283418, 566836, 708545, 1133672, 1417090, 2834180, 5668360, 22248313, 44496626, 88993252, 111241565, 177986504, 222483130, 444966260 and 889932520
No.
Its nearest Fibonacci number neighbors are 701408733 and 1134903170.