23012012115 has 20 divisors (see below), whose sum is σ = 41251163184. Its totient is φ = 12273072912.

The previous prime is 23012012099. The next prime is 23012012131. The reversal of 23012012115 is 51121021032.

It is an interprime number because it is at equal distance from previous prime (23012012099) and next prime (23012012131).

It is not a de Polignac number, because 23012012115 - 2⁴ = 23012012099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28409487 + ... + 28410296.

Almost surely, 2^23012012115 is an apocalyptic number.

23012012115 is a deficient number, since it is larger than the sum of its proper divisors (18239151069).

23012012115 is an equidigital number, since it uses as much as digits as its factorization.

23012012115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56819800 (or 56819791 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 23012012115 its reverse (51121021032), we get a palindrome (74133033147).

The spelling of 23012012115 in words is "twenty-three billion, twelve million, twelve thousand, one hundred fifteen".