321323343323093 has 2 divisors, whose sum is σ = 321323343323094. Its totient is φ = 321323343323092.

The previous prime is 321323343323083. The next prime is 321323343323153. The reversal of 321323343323093 is 390323343323123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257735828547409 + 63587514775684 = 16054153^2 + 7974178^2 .

It is a cyclic number.

It is not a de Polignac number, because 321323343323093 - 2¹² = 321323343318997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321323343323083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661671661546 + 160661671661547.

It is an arithmetic number, because the mean of its divisors is an integer number (160661671661547).

Almost surely, 2^{321323343323093} is an apocalyptic number.

It is an amenable number.

321323343323093 is a deficient number, since it is larger than the sum of its proper divisors (1).

321323343323093 is an equidigital number, since it uses as much as digits as its factorization.

321323343323093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 44.

The spelling of 321323343323093 in words is "three hundred twenty-one trillion, three hundred twenty-three billion, three hundred forty-three million, three hundred twenty-three thousand, ninety-three".