326431356401323 has 2 divisors, whose sum is σ = 326431356401324. Its totient is φ = 326431356401322.

The previous prime is 326431356401233. The next prime is 326431356401341. The reversal of 326431356401323 is 323104653134623.

Together with previous prime (326431356401233) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326431356401323 is a prime.

It is not a weakly prime, because it can be changed into another prime (326431356402323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163215678200661 + 163215678200662.

It is an arithmetic number, because the mean of its divisors is an integer number (163215678200662).

Almost surely, 2^{326431356401323} is an apocalyptic number.

326431356401323 is a deficient number, since it is larger than the sum of its proper divisors (1).

326431356401323 is an equidigital number, since it uses as much as digits as its factorization.

326431356401323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 326431356401323 in words is "three hundred twenty-six trillion, four hundred thirty-one billion, three hundred fifty-six million, four hundred one thousand, three hundred twenty-three".