321117572023 has 16 divisors (see below), whose sum is σ = 333515750400. Its totient is φ = 308955243520.

The previous prime is 321117572021. The next prime is 321117572057. The reversal of 321117572023 is 320275711123.

It is a cyclic number.

It is not a de Polignac number, because 321117572023 - 2¹ = 321117572021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321117572023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321117572021) 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 15 ways as a sum of consecutive naturals, for example, 1282683 + ... + 1512451.

It is an arithmetic number, because the mean of its divisors is an integer number (20844734400).

Almost surely, 2^321117572023 is an apocalyptic number.

321117572023 is a deficient number, since it is larger than the sum of its proper divisors (12398178377).

321117572023 is a wasteful number, since it uses less digits than its factorization.

321117572023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230282.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 321117572023 in words is "three hundred twenty-one billion, one hundred seventeen million, five hundred seventy-two thousand, twenty-three".