115523012 has 12 divisors (see below), whose sum is σ = 220544016. Its totient is φ = 52510440.

The previous prime is 115522993. The next prime is 115523017. The reversal of 115523012 is 210325511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115523017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312718 + ... + 1312805.

It is an arithmetic number, because the mean of its divisors is an integer number (18378668).

Almost surely, 2^115523012 is an apocalyptic number.

It is an amenable number.

115523012 is a deficient number, since it is larger than the sum of its proper divisors (105021004).

115523012 is a wasteful number, since it uses less digits than its factorization.

115523012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625538 (or 2625536 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115523012 is about 10748.1631919133. The cubic root of 115523012 is about 487.0305093837.

Adding to 115523012 its reverse (210325511), we get a palindrome (325848523).

The spelling of 115523012 in words is "one hundred fifteen million, five hundred twenty-three thousand, twelve".