320705457163223 has 24 divisors (see below), whose sum is σ = 352743850998000. Its totient is φ = 291357858471680.

The previous prime is 320705457163199. The next prime is 320705457163277. The reversal of 320705457163223 is 322361754507023.

It is not a de Polignac number, because 320705457163223 - 2²⁰ = 320705456114647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320705457166223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165415615 + ... + 1165690767.

It is an arithmetic number, because the mean of its divisors is an integer number (14697660458250).

Almost surely, 2^{320705457163223} is an apocalyptic number.

320705457163223 is a deficient number, since it is larger than the sum of its proper divisors (32038393834777).

320705457163223 is a wasteful number, since it uses less digits than its factorization.

320705457163223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281503 (or 281492 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 320705457163223 in words is "three hundred twenty trillion, seven hundred five billion, four hundred fifty-seven million, one hundred sixty-three thousand, two hundred twenty-three".