115921923 has 16 divisors (see below), whose sum is σ = 167252736. Its totient is φ = 70993440.

The previous prime is 115921919. The next prime is 115921933. The reversal of 115921923 is 329129511.

It is not a de Polignac number, because 115921923 - 2² = 115921919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115921933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186 + ... + 15272.

It is an arithmetic number, because the mean of its divisors is an integer number (10453296).

Almost surely, 2^115921923 is an apocalyptic number.

115921923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115921923 is a deficient number, since it is larger than the sum of its proper divisors (51330813).

115921923 is a wasteful number, since it uses less digits than its factorization.

115921923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314.

The product of its digits is 4860, while the sum is 33.

The square root of 115921923 is about 10766.7043704190. The cubic root of 115921923 is about 487.5904515925.

The spelling of 115921923 in words is "one hundred fifteen million, nine hundred twenty-one thousand, nine hundred twenty-three".