23122310131 has 4 divisors (see below), whose sum is σ = 23919631200. Its totient is φ = 22324989064.

The previous prime is 23122310117. The next prime is 23122310207. The reversal of 23122310131 is 13101322132.

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 23122310131 - 2²⁵ = 23088755699 is a prime.

It is a super-2 number, since 2×23122310131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23122310099 and 23122310108.

It is not an unprimeable number, because it can be changed into a prime (23122311131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 398660491 + ... + 398660548.

It is an arithmetic number, because the mean of its divisors is an integer number (5979907800).

Almost surely, 2^23122310131 is an apocalyptic number.

23122310131 is a deficient number, since it is larger than the sum of its proper divisors (797321069).

23122310131 is an equidigital number, since it uses as much as digits as its factorization.

23122310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797321068.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23122310131 its reverse (13101322132), we get a palindrome (36223632263).

The spelling of 23122310131 in words is "twenty-three billion, one hundred twenty-two million, three hundred ten thousand, one hundred thirty-one".