523679850172 has 24 divisors (see below), whose sum is σ = 948501086400. Its totient is φ = 252688301376.

The previous prime is 523679850157. The next prime is 523679850203. The reversal of 523679850172 is 271058976325.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854847 + ... + 1333462.

It is an arithmetic number, because the mean of its divisors is an integer number (39520878600).

Almost surely, 2^523679850172 is an apocalyptic number.

It is an amenable number.

523679850172 is a deficient number, since it is larger than the sum of its proper divisors (424821236228).

523679850172 is a wasteful number, since it uses less digits than its factorization.

523679850172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190405 (or 2190403 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 523679850172 in words is "five hundred twenty-three billion, six hundred seventy-nine million, eight hundred fifty thousand, one hundred seventy-two".