523353404 has 48 divisors (see below), whose sum is σ = 1119928320. Its totient is φ = 208992960.

The previous prime is 523353379. The next prime is 523353407. The reversal of 523353404 is 404353325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523353407) 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, 24389 + ... + 40515.

It is an arithmetic number, because the mean of its divisors is an integer number (23331840).

Almost surely, 2^523353404 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 523353404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559964160).

523353404 is an abundant number, since it is smaller than the sum of its proper divisors (596574916).

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

523353404 is a wasteful number, since it uses less digits than its factorization.

523353404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218 (or 16216 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 523353404 is about 22876.9185862082. The cubic root of 523353404 is about 805.8700539851.

The spelling of 523353404 in words is "five hundred twenty-three million, three hundred fifty-three thousand, four hundred four".