523163134505140 has 72 divisors (see below), whose sum is σ = 1159554947372640. Its totient is φ = 198243472545216.

The previous prime is 523163134505117. The next prime is 523163134505161. The reversal of 523163134505140 is 41505431361325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183263979 + ... + 186096781.

It is an arithmetic number, because the mean of its divisors is an integer number (16104929824620).

Almost surely, 2^{523163134505140} is an apocalyptic number.

It is an amenable number.

523163134505140 is an abundant number, since it is smaller than the sum of its proper divisors (636391812867500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523163134505140 is a wasteful number, since it uses less digits than its factorization.

523163134505140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858429 (or 2858408 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 523163134505140 its reverse (41505431361325), we get a palindrome (564668565866465).

The spelling of 523163134505140 in words is "five hundred twenty-three trillion, one hundred sixty-three billion, one hundred thirty-four million, five hundred five thousand, one hundred forty".