320443607023 has 2 divisors, whose sum is σ = 320443607024. Its totient is φ = 320443607022.

The previous prime is 320443607017. The next prime is 320443607041. The reversal of 320443607023 is 320706344023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320443607023 - 2²⁵ = 320410052591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320443607023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320443607623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160221803511 + 160221803512.

It is an arithmetic number, because the mean of its divisors is an integer number (160221803512).

Almost surely, 2^320443607023 is an apocalyptic number.

320443607023 is a deficient number, since it is larger than the sum of its proper divisors (1).

320443607023 is an equidigital number, since it uses as much as digits as its factorization.

320443607023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 320443607023 in words is "three hundred twenty billion, four hundred forty-three million, six hundred seven thousand, twenty-three".