115323511 has 4 divisors (see below), whose sum is σ = 115638112. Its totient is φ = 115008912.

The previous prime is 115323499. The next prime is 115323539.

115323511 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115323511 - 2⁵ = 115323479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115323581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156750 + ... + 157483.

It is an arithmetic number, because the mean of its divisors is an integer number (28909528).

Almost surely, 2^115323511 is an apocalyptic number.

115323511 is a deficient number, since it is larger than the sum of its proper divisors (314601).

115323511 is an equidigital number, since it uses as much as digits as its factorization.

115323511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314600.

The product of its digits is 450, while the sum is 22.

The square root of 115323511 is about 10738.8784796179. The cubic root of 115323511 is about 486.7499907891.

The spelling of 115323511 in words is "one hundred fifteen million, three hundred twenty-three thousand, five hundred eleven".