523431076 has 48 divisors (see below), whose sum is σ = 1107420160. Its totient is φ = 211468320.

The previous prime is 523431059. The next prime is 523431091. The reversal of 523431076 is 670134325.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109921 + ... + 114583.

Almost surely, 2^523431076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523431076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553710080).

523431076 is an abundant number, since it is smaller than the sum of its proper divisors (583989084).

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

523431076 is a wasteful number, since it uses less digits than its factorization.

523431076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 4902 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 523431076 is about 22878.6161294778. The cubic root of 523431076 is about 805.9099189801.

The spelling of 523431076 in words is "five hundred twenty-three million, four hundred thirty-one thousand, seventy-six".