22431013123999 has 2 divisors, whose sum is σ = 22431013124000. Its totient is φ = 22431013123998.

The previous prime is 22431013123997. The next prime is 22431013124059. The reversal of 22431013123999 is 99932131013422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22431013123999 - 2¹ = 22431013123997 is a prime.

Together with 22431013123997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431013123997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215506561999 + 11215506562000.

It is an arithmetic number, because the mean of its divisors is an integer number (11215506562000).

Almost surely, 2^{22431013123999} is an apocalyptic number.

22431013123999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431013123999 is an equidigital number, since it uses as much as digits as its factorization.

22431013123999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 22431013123999 in words is "twenty-two trillion, four hundred thirty-one billion, thirteen million, one hundred twenty-three thousand, nine hundred ninety-nine".