523394232 has 64 divisors (see below), whose sum is σ = 1404514080. Its totient is φ = 161943552.

The previous prime is 523394231. The next prime is 523394281. The reversal of 523394232 is 232493325.

It is a super-3 number, since 3×523394232³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 523394193 and 523394202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523394231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20998 + ... + 38570.

Almost surely, 2^523394232 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 523394232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702257040).

523394232 is an abundant number, since it is smaller than the sum of its proper divisors (881119848).

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

523394232 is a wasteful number, since it uses less digits than its factorization.

523394232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17672 (or 17668 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 523394232 is about 22877.8109092632. The cubic root of 523394232 is about 805.8910093642.

The spelling of 523394232 in words is "five hundred twenty-three million, three hundred ninety-four thousand, two hundred thirty-two".