523131976 has 16 divisors (see below), whose sum is σ = 994688640. Its totient is φ = 257881680.

The previous prime is 523131971. The next prime is 523132019. The reversal of 523131976 is 679131325.

It is not an unprimeable number, because it can be changed into a prime (523131971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459936 + ... + 461071.

It is an arithmetic number, because the mean of its divisors is an integer number (62168040).

Almost surely, 2^523131976 is an apocalyptic number.

It is an amenable number.

523131976 is a deficient number, since it is larger than the sum of its proper divisors (471556664).

523131976 is a wasteful number, since it uses less digits than its factorization.

523131976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921084 (or 921080 counting only the distinct ones).

The product of its digits is 34020, while the sum is 37.

The square root of 523131976 is about 22872.0785238246. The cubic root of 523131976 is about 805.7563848628.

It can be divided in two parts, 52313 and 1976, that added together give a square (54289 = 233²).

The spelling of 523131976 in words is "five hundred twenty-three million, one hundred thirty-one thousand, nine hundred seventy-six".