23123011031 has 12 divisors (see below), whose sum is σ = 23753463552. Its totient is φ = 22507744896.

The previous prime is 23123011013. The next prime is 23123011033. The reversal of 23123011031 is 13011032132.

It is not a de Polignac number, because 23123011031 - 2³⁴ = 5943141847 is a prime.

It is a super-2 number, since 2×23123011031² (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 (23123011033) 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 11 ways as a sum of consecutive naturals, for example, 324335 + ... + 389151.

It is an arithmetic number, because the mean of its divisors is an integer number (1979455296).

Almost surely, 2^23123011031 is an apocalyptic number.

23123011031 is a deficient number, since it is larger than the sum of its proper divisors (630452521).

23123011031 is an equidigital number, since it uses as much as digits as its factorization.

23123011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65050 (or 64997 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23123011031 its reverse (13011032132), we get a palindrome (36134043163).

The spelling of 23123011031 in words is "twenty-three billion, one hundred twenty-three million, eleven thousand, thirty-one".