523237842 has 48 divisors (see below), whose sum is σ = 1162006560. Its totient is φ = 170102400.

The previous prime is 523237829. The next prime is 523237867. The reversal of 523237842 is 248732325.

523237842 is a `hidden beast` number, since 523 + 23 + 78 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 523237797 and 523237806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137242 + ... + 141002.

It is an arithmetic number, because the mean of its divisors is an integer number (24208470).

Almost surely, 2^523237842 is an apocalyptic number.

523237842 is an abundant number, since it is smaller than the sum of its proper divisors (638768718).

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

523237842 is a wasteful number, since it uses less digits than its factorization.

523237842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3956 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 523237842 is about 22874.3927132503. The cubic root of 523237842 is about 805.8107347247.

The spelling of 523237842 in words is "five hundred twenty-three million, two hundred thirty-seven thousand, eight hundred forty-two".