115809923000 has 32 divisors (see below), whose sum is σ = 270995222160. Its totient is φ = 46323968800.

The previous prime is 115809922999. The next prime is 115809923017. The reversal of 115809923000 is 329908511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57903962 + ... + 57905961.

Almost surely, 2^115809923000 is an apocalyptic number.

115809923000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115809923000 is an abundant number, since it is smaller than the sum of its proper divisors (155185299160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115809923000 is a wasteful number, since it uses less digits than its factorization.

115809923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115809944 (or 115809930 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 115809923000 in words is "one hundred fifteen billion, eight hundred nine million, nine hundred twenty-three thousand".