523412132 has 24 divisors (see below), whose sum is σ = 922737816. Its totient is φ = 259780608.

The previous prime is 523412119. The next prime is 523412137. The reversal of 523412132 is 231214325.

It can be written as a sum of positive squares in 4 ways, for example, as 70829056 + 452583076 = 8416^2 + 21274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523412098 and 523412107.

It is not an unprimeable number, because it can be changed into a prime (523412137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402908 + ... + 404204.

It is an arithmetic number, because the mean of its divisors is an integer number (38447409).

Almost surely, 2^523412132 is an apocalyptic number.

It is an amenable number.

523412132 is a deficient number, since it is larger than the sum of its proper divisors (399325684).

523412132 is a wasteful number, since it uses less digits than its factorization.

523412132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1965 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 523412132 is about 22878.2021146768. The cubic root of 523412132 is about 805.9001963745.

Adding to 523412132 its reverse (231214325), we get a palindrome (754626457).

The spelling of 523412132 in words is "five hundred twenty-three million, four hundred twelve thousand, one hundred thirty-two".