23313020999 has 2 divisors, whose sum is σ = 23313021000. Its totient is φ = 23313020998.

The previous prime is 23313020971. The next prime is 23313021037. The reversal of 23313020999 is 99902031332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313020999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313020909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656510499 + 11656510500.

It is an arithmetic number, because the mean of its divisors is an integer number (11656510500).

Almost surely, 2^23313020999 is an apocalyptic number.

23313020999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313020999 is an equidigital number, since it uses as much as digits as its factorization.

23313020999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 23313020999 in words is "twenty-three billion, three hundred thirteen million, twenty thousand, nine hundred ninety-nine".