323120991612593 has 2 divisors, whose sum is σ = 323120991612594. Its totient is φ = 323120991612592.

The previous prime is 323120991612569. The next prime is 323120991612637. The reversal of 323120991612593 is 395216199021323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309015018065329 + 14105973547264 = 17578823^2 + 3755792^2 .

It is a cyclic number.

It is not a de Polignac number, because 323120991612593 - 2⁸ = 323120991612337 is a prime.

It is not a weakly prime, because it can be changed into another prime (323120991612893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560495806296 + 161560495806297.

It is an arithmetic number, because the mean of its divisors is an integer number (161560495806297).

Almost surely, 2^{323120991612593} is an apocalyptic number.

It is an amenable number.

323120991612593 is a deficient number, since it is larger than the sum of its proper divisors (1).

323120991612593 is an equidigital number, since it uses as much as digits as its factorization.

323120991612593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4723920, while the sum is 56.

The spelling of 323120991612593 in words is "three hundred twenty-three trillion, one hundred twenty billion, nine hundred ninety-one million, six hundred twelve thousand, five hundred ninety-three".