23013123031 has 2 divisors, whose sum is σ = 23013123032. Its totient is φ = 23013123030.

The previous prime is 23013123013. The next prime is 23013123061. The reversal of 23013123031 is 13032131032.

Together with previous prime (23013123013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23013123031 is a prime.

It is a super-2 number, since 2×23013123031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506561515 + 11506561516.

It is an arithmetic number, because the mean of its divisors is an integer number (11506561516).

Almost surely, 2^23013123031 is an apocalyptic number.

23013123031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013123031 is an equidigital number, since it uses as much as digits as its factorization.

23013123031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23013123031 its reverse (13032131032), we get a palindrome (36045254063).

The spelling of 23013123031 in words is "twenty-three billion, thirteen million, one hundred twenty-three thousand, thirty-one".