320365563023 has 32 divisors (see below), whose sum is σ = 376680222720. Its totient is φ = 269205672960.

The previous prime is 320365562987. The next prime is 320365563041.

320365563023 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 320365563023 - 2³⁸ = 45487656079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320365563053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11979515 + ... + 12006227.

It is an arithmetic number, because the mean of its divisors is an integer number (11771256960).

Almost surely, 2^320365563023 is an apocalyptic number.

320365563023 is a deficient number, since it is larger than the sum of its proper divisors (56314659697).

320365563023 is a wasteful number, since it uses less digits than its factorization.

320365563023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27887.

The product of its (nonzero) digits is 291600, while the sum is 38.

It can be divided in two parts, 320365 and 563023, that added together give a palindrome (883388).

The spelling of 320365563023 in words is "three hundred twenty billion, three hundred sixty-five million, five hundred sixty-three thousand, twenty-three".