23145524031 has 16 divisors (see below), whose sum is σ = 35277238784. Its totient is φ = 13223062944.

The previous prime is 23145524027. The next prime is 23145524033. The reversal of 23145524031 is 13042554132.

It is not a de Polignac number, because 23145524031 - 2² = 23145524027 is a prime.

It is a super-2 number, since 2×23145524031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23145524031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145524033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24760 + ... + 216573.

It is an arithmetic number, because the mean of its divisors is an integer number (2204827424).

Almost surely, 2^23145524031 is an apocalyptic number.

23145524031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23145524031 is a deficient number, since it is larger than the sum of its proper divisors (12131714753).

23145524031 is a wasteful number, since it uses less digits than its factorization.

23145524031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245910.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 23145524031 in words is "twenty-three billion, one hundred forty-five million, five hundred twenty-four thousand, thirty-one".