320143121341023 has 128 divisors (see below), whose sum is σ = 465319763251200. Its totient is φ = 195166153728000.

The previous prime is 320143121340919. The next prime is 320143121341097.

320143121341023 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 320143121341023 - 2²⁸ = 320142852905567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320143121341223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31569181533 + ... + 31569191673.

It is an arithmetic number, because the mean of its divisors is an integer number (3635310650400).

Almost surely, 2^{320143121341023} is an apocalyptic number.

320143121341023 is a deficient number, since it is larger than the sum of its proper divisors (145176641910177).

320143121341023 is a wasteful number, since it uses less digits than its factorization.

320143121341023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 320143121341023 in words is "three hundred twenty trillion, one hundred forty-three billion, one hundred twenty-one million, three hundred forty-one thousand, twenty-three".