321023140413593 has 2 divisors, whose sum is σ = 321023140413594. Its totient is φ = 321023140413592.

The previous prime is 321023140413433. The next prime is 321023140413611. The reversal of 321023140413593 is 395314041320123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187895227270144 + 133127913143449 = 13707488^2 + 11538107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321023140413593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321023140413593.

It is not a weakly prime, because it can be changed into another prime (321023140413193) 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, 160511570206796 + 160511570206797.

It is an arithmetic number, because the mean of its divisors is an integer number (160511570206797).

Almost surely, 2^{321023140413593} is an apocalyptic number.

It is an amenable number.

321023140413593 is a deficient number, since it is larger than the sum of its proper divisors (1).

321023140413593 is an equidigital number, since it uses as much as digits as its factorization.

321023140413593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 321023140413593 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred forty million, four hundred thirteen thousand, five hundred ninety-three".