321323312983 has 2 divisors, whose sum is σ = 321323312984. Its totient is φ = 321323312982.

The previous prime is 321323312977. The next prime is 321323313083. The reversal of 321323312983 is 389213323123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321323312983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321323312923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661656491 + 160661656492.

It is an arithmetic number, because the mean of its divisors is an integer number (160661656492).

Almost surely, 2^321323312983 is an apocalyptic number.

321323312983 is a deficient number, since it is larger than the sum of its proper divisors (1).

321323312983 is an equidigital number, since it uses as much as digits as its factorization.

321323312983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The spelling of 321323312983 in words is "three hundred twenty-one billion, three hundred twenty-three million, three hundred twelve thousand, nine hundred eighty-three".