23039999923 has 2 divisors, whose sum is σ = 23039999924. Its totient is φ = 23039999922.

The previous prime is 23039999839. The next prime is 23039999933. The reversal of 23039999923 is 32999993032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23039999923 is a prime.

It is not a weakly prime, because it can be changed into another prime (23039999933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11519999961 + 11519999962.

It is an arithmetic number, because the mean of its divisors is an integer number (11519999962).

Almost surely, 2^23039999923 is an apocalyptic number.

23039999923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23039999923 is an equidigital number, since it uses as much as digits as its factorization.

23039999923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6377292, while the sum is 58.

The spelling of 23039999923 in words is "twenty-three billion, thirty-nine million, nine hundred ninety-nine thousand, nine hundred twenty-three".