23 × 4099 × 181891
1, 2, 4, 8, 4099, 8198, 16396, 32792, 181891, 363782, 727564, 1455128, 745571209, 1491142418, 2982284836 and 5964569672
No.
Its nearest Fibonacci number neighbors are 4807526976 and 7778742049.