23039997899 has 2 divisors, whose sum is σ = 23039997900. Its totient is φ = 23039997898.

The previous prime is 23039997839. The next prime is 23039997947. The reversal of 23039997899 is 99879993032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23039997899 is a prime.

It is not a weakly prime, because it can be changed into another prime (23039997809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11519998949 + 11519998950.

It is an arithmetic number, because the mean of its divisors is an integer number (11519998950).

Almost surely, 2^23039997899 is an apocalyptic number.

23039997899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23039997899 is an equidigital number, since it uses as much as digits as its factorization.

23039997899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59521392, while the sum is 68.

The spelling of 23039997899 in words is "twenty-three billion, thirty-nine million, nine hundred ninety-seven thousand, eight hundred ninety-nine".