115233909 has 16 divisors (see below), whose sum is σ = 176330880. Its totient is φ = 65571840.

The previous prime is 115233893. The next prime is 115233949. The reversal of 115233909 is 909332511.

It is not a de Polignac number, because 115233909 - 2⁴ = 115233893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115233909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115233949) 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, 6324 + ... + 16445.

It is an arithmetic number, because the mean of its divisors is an integer number (11020680).

Almost surely, 2^115233909 is an apocalyptic number.

It is an amenable number.

115233909 is a deficient number, since it is larger than the sum of its proper divisors (61096971).

115233909 is a wasteful number, since it uses less digits than its factorization.

115233909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 115233909 is about 10734.7058180464. The cubic root of 115233909 is about 486.6238960244.

The spelling of 115233909 in words is "one hundred fifteen million, two hundred thirty-three thousand, nine hundred nine".