115023312 has 30 divisors (see below), whose sum is σ = 321905922. Its totient is φ = 38341056.

The previous prime is 115023301. The next prime is 115023329. The reversal of 115023312 is 213320511.

It can be written as a sum of positive squares in only one way, i.e., 111007296 + 4016016 = 10536^2 + 2004^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399243 + ... + 399530.

Almost surely, 2^115023312 is an apocalyptic number.

115023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115023312 is an abundant number, since it is smaller than the sum of its proper divisors (206882610).

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

115023312 is a wasteful number, since it uses less digits than its factorization.

115023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798787 (or 798778 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115023312 is about 10724.8921672901. The cubic root of 115023312 is about 486.3272702962.

Adding to 115023312 its reverse (213320511), we get a palindrome (328343823).

The spelling of 115023312 in words is "one hundred fifteen million, twenty-three thousand, three hundred twelve".