23 × 72 × 4831
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 4831, 9662, 19324, 33817, 38648, 67634, 135268, 236719, 270536, 473438, 946876 and 1893752
No.
Its nearest Fibonacci number neighbors are 1346269 and 2178309.