23131831125 has 128 divisors (see below), whose sum is σ = 42823872000. Its totient is φ = 11014963200.

The previous prime is 23131831111. The next prime is 23131831183. The reversal of 23131831125 is 52113813132.

It is not a de Polignac number, because 23131831125 - 2¹⁰ = 23131830101 is a prime.

It is a super-2 number, since 2×23131831125² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23131831092 and 23131831101.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 46356126 + ... + 46356624.

It is an arithmetic number, because the mean of its divisors is an integer number (334561500).

Almost surely, 2^23131831125 is an apocalyptic number.

23131831125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23131831125 is a deficient number, since it is larger than the sum of its proper divisors (19692040875).

23131831125 is a wasteful number, since it uses less digits than its factorization.

23131831125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 814 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The spelling of 23131831125 in words is "twenty-three billion, one hundred thirty-one million, eight hundred thirty-one thousand, one hundred twenty-five".