23131339999 has 2 divisors, whose sum is σ = 23131340000. Its totient is φ = 23131339998.

The previous prime is 23131339961. The next prime is 23131340021. The reversal of 23131339999 is 99993313132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23131339999 - 2⁷ = 23131339871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131339949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565669999 + 11565670000.

It is an arithmetic number, because the mean of its divisors is an integer number (11565670000).

Almost surely, 2^23131339999 is an apocalyptic number.

23131339999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131339999 is an equidigital number, since it uses as much as digits as its factorization.

23131339999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1062882, while the sum is 52.

The spelling of 23131339999 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred ninety-nine".