23122545031 has 4 divisors (see below), whose sum is σ = 23919874200. Its totient is φ = 22325215864.

The previous prime is 23122545023. The next prime is 23122545059. The reversal of 23122545031 is 13054522132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23122545031 - 2³ = 23122545023 is a prime.

It is a super-2 number, since 2×23122545031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122545331) 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, 398664541 + ... + 398664598.

It is an arithmetic number, because the mean of its divisors is an integer number (5979968550).

Almost surely, 2^23122545031 is an apocalyptic number.

23122545031 is a deficient number, since it is larger than the sum of its proper divisors (797329169).

23122545031 is an equidigital number, since it uses as much as digits as its factorization.

23122545031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797329168.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 23122545031 in words is "twenty-three billion, one hundred twenty-two million, five hundred forty-five thousand, thirty-one".