320577775023 has 32 divisors (see below), whose sum is σ = 471141015552. Its totient is φ = 192278016000.

The previous prime is 320577774991. The next prime is 320577775039.

320577775023 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 320577775023 - 2⁵ = 320577774991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320577775223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585215 + ... + 1775967.

It is an arithmetic number, because the mean of its divisors is an integer number (14723156736).

Almost surely, 2^320577775023 is an apocalyptic number.

320577775023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320577775023 is a deficient number, since it is larger than the sum of its proper divisors (150563240529).

320577775023 is a wasteful number, since it uses less digits than its factorization.

320577775023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191295.

The product of its (nonzero) digits is 2160900, while the sum is 48.

The spelling of 320577775023 in words is "three hundred twenty billion, five hundred seventy-seven million, seven hundred seventy-five thousand, twenty-three".