9908311123 has 2 divisors, whose sum is σ = 9908311124. Its totient is φ = 9908311122.

The previous prime is 9908311117. The next prime is 9908311177. The reversal of 9908311123 is 3211138099.

9908311123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9908311123 is a prime.

It is a super-2 number, since 2×9908311123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9908311223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954155561 + 4954155562.

It is an arithmetic number, because the mean of its divisors is an integer number (4954155562).

Almost surely, 2^9908311123 is an apocalyptic number.

9908311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9908311123 is an equidigital number, since it uses as much as digits as its factorization.

9908311123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 9908311123 is about 99540.4999133519. The cubic root of 9908311123 is about 2147.8298725254.

The spelling of 9908311123 in words is "nine billion, nine hundred eight million, three hundred eleven thousand, one hundred twenty-three".