23 × 5 × 67 × 1601
1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1601, 2680, 3202, 6404, 8005, 12808, 16010, 32020, 64040, 107267, 214534, 429068, 536335, 858136, 1072670, 2145340 and 4290680
No.
Its nearest Fibonacci number neighbors are 3524578 and 5702887.