523155132 has 48 divisors (see below), whose sum is σ = 1400089600. Its totient is φ = 168758640.

The previous prime is 523155131. The next prime is 523155137. The reversal of 523155132 is 231551325.

It is a happy number.

523155132 is a `hidden beast` number, since 52 + 31 + 551 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 523155096 and 523155105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523155131) 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 15 ways as a sum of consecutive naturals, for example, 74782 + ... + 81477.

Almost surely, 2^523155132 is an apocalyptic number.

It is an amenable number.

523155132 is an abundant number, since it is smaller than the sum of its proper divisors (876934468).

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

523155132 is a wasteful number, since it uses less digits than its factorization.

523155132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156303 (or 156295 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 523155132 is about 22872.5847249496. The cubic root of 523155132 is about 805.7682733985.

The spelling of 523155132 in words is "five hundred twenty-three million, one hundred fifty-five thousand, one hundred thirty-two".