640316675223 has 12 divisors (see below), whose sum is σ = 925897464960. Its totient is φ = 426418275456.

The previous prime is 640316675123. The next prime is 640316675227. The reversal of 640316675223 is 322576613046.

640316675223 is a `hidden beast` number, since 6 + 40 + 316 + 6 + 75 + 223 = 666.

It is not a de Polignac number, because 640316675223 - 2⁸ = 640316674967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640316675227) 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 11 ways as a sum of consecutive naturals, for example, 38283511 + ... + 38300232.

It is an arithmetic number, because the mean of its divisors is an integer number (77158122080).

Almost surely, 2^640316675223 is an apocalyptic number.

640316675223 is a deficient number, since it is larger than the sum of its proper divisors (285580789737).

640316675223 is a wasteful number, since it uses less digits than its factorization.

640316675223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76584678 (or 76584675 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 640316675223 in words is "six hundred forty billion, three hundred sixteen million, six hundred seventy-five thousand, two hundred twenty-three".