23130020115 has 24 divisors (see below), whose sum is σ = 40128667488. Its totient is φ = 12324739200.

The previous prime is 23130020087. The next prime is 23130020119. The reversal of 23130020115 is 51102003132.

23130020115 is a `hidden beast` number, since 231 + 300 + 20 + 115 = 666.

It is not a de Polignac number, because 23130020115 - 2⁶ = 23130020051 is a prime.

It is a super-2 number, since 2×23130020115² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23130020119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184911 + ... + 283640.

It is an arithmetic number, because the mean of its divisors is an integer number (1672027812).

Almost surely, 2^23130020115 is an apocalyptic number.

23130020115 is a deficient number, since it is larger than the sum of its proper divisors (16998647373).

23130020115 is a wasteful number, since it uses less digits than its factorization.

23130020115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469659 (or 469656 counting only the distinct ones).

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

Adding to 23130020115 its reverse (51102003132), we get a palindrome (74232023247).

The spelling of 23130020115 in words is "twenty-three billion, one hundred thirty million, twenty thousand, one hundred fifteen".