523664141228 has 24 divisors (see below), whose sum is σ = 925375756032. Its totient is φ = 259271432784.

The previous prime is 523664141219. The next prime is 523664141239. The reversal of 523664141228 is 822141466325.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052351 + ... + 7126217.

It is an arithmetic number, because the mean of its divisors is an integer number (38557323168).

Almost surely, 2^523664141228 is an apocalyptic number.

It is an amenable number.

523664141228 is a deficient number, since it is larger than the sum of its proper divisors (401711614804).

523664141228 is a wasteful number, since it uses less digits than its factorization.

523664141228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91181 (or 91179 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

Multiplying 523664141228 by its sum of digits (44), we get a palindrome (23041222214032).

The spelling of 523664141228 in words is "five hundred twenty-three billion, six hundred sixty-four million, one hundred forty-one thousand, two hundred twenty-eight".