523138160 has 40 divisors (see below), whose sum is σ = 1223359200. Its totient is φ = 208040192.

The previous prime is 523138159. The next prime is 523138171. The reversal of 523138160 is 61831325.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 5060 + ... + 32739.

It is an arithmetic number, because the mean of its divisors is an integer number (30583980).

Almost surely, 2^523138160 is an apocalyptic number.

It is an amenable number.

523138160 is an abundant number, since it is smaller than the sum of its proper divisors (700221040).

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

523138160 is a wasteful number, since it uses less digits than its factorization.

523138160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37985 (or 37979 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 523138160 is about 22872.2137100894. The cubic root of 523138160 is about 805.7595598282.

Adding to 523138160 its reverse (61831325), we get a palindrome (584969485).

The spelling of 523138160 in words is "five hundred twenty-three million, one hundred thirty-eight thousand, one hundred sixty".