23099999939 has 2 divisors, whose sum is σ = 23099999940. Its totient is φ = 23099999938.

The previous prime is 23099999927. The next prime is 23100000017. The reversal of 23099999939 is 93999999032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23099999939 - 2¹² = 23099995843 is a prime.

It is not a weakly prime, because it can be changed into another prime (23099999539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11549999969 + 11549999970.

It is an arithmetic number, because the mean of its divisors is an integer number (11549999970).

Almost surely, 2^23099999939 is an apocalyptic number.

23099999939 is a deficient number, since it is larger than the sum of its proper divisors (1).

23099999939 is an equidigital number, since it uses as much as digits as its factorization.

23099999939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86093442, while the sum is 71.

The spelling of 23099999939 in words is "twenty-three billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty-nine".