523704942 has 48 divisors (see below), whose sum is σ = 1206092160. Its totient is φ = 163763856.

The previous prime is 523704893. The next prime is 523704943. The reversal of 523704942 is 249407325.

It is a junction number, because it is equal to n+sod(n) for n = 523704897 and 523704906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523704943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27793 + ... + 42659.

It is an arithmetic number, because the mean of its divisors is an integer number (25126920).

Almost surely, 2^523704942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523704942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603046080).

523704942 is an abundant number, since it is smaller than the sum of its proper divisors (682387218).

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

523704942 is a wasteful number, since it uses less digits than its factorization.

523704942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997 (or 14994 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 523704942 is about 22884.6005427230. The cubic root of 523704942 is about 806.0504486851.

The spelling of 523704942 in words is "five hundred twenty-three million, seven hundred four thousand, nine hundred forty-two".