23432511111931 has 2 divisors, whose sum is σ = 23432511111932. Its totient is φ = 23432511111930.

The previous prime is 23432511111907. The next prime is 23432511112001. The reversal of 23432511111931 is 13911111523432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23432511111931 - 2⁹ = 23432511111419 is a prime.

It is a super-2 number, since 2×23432511111931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23432511111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716255555965 + 11716255555966.

It is an arithmetic number, because the mean of its divisors is an integer number (11716255555966).

Almost surely, 2^{23432511111931} is an apocalyptic number.

23432511111931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432511111931 is an equidigital number, since it uses as much as digits as its factorization.

23432511111931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The spelling of 23432511111931 in words is "twenty-three trillion, four hundred thirty-two billion, five hundred eleven million, one hundred eleven thousand, nine hundred thirty-one".