23012113139 has 2 divisors, whose sum is σ = 23012113140. Its totient is φ = 23012113138.

The previous prime is 23012113123. The next prime is 23012113153. The reversal of 23012113139 is 93131121032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23012113139 - 2⁴ = 23012113123 is a prime.

It is a super-2 number, since 2×23012113139² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23012113199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506056569 + 11506056570.

It is an arithmetic number, because the mean of its divisors is an integer number (11506056570).

Almost surely, 2^23012113139 is an apocalyptic number.

23012113139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012113139 is an equidigital number, since it uses as much as digits as its factorization.

23012113139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 23012113139 in words is "twenty-three billion, twelve million, one hundred thirteen thousand, one hundred thirty-nine".