523900 has 54 divisors (see below), whose sum is σ = 1270752. Its totient is φ = 187200.

The previous prime is 523877. The next prime is 523903. The reversal of 523900 is 9325.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16885 + ... + 16915.

2⁵²³⁹⁰⁰ is an apocalyptic number.

523900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635376).

523900 is an abundant number, since it is smaller than the sum of its proper divisors (746852).

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

523900 is a wasteful number, since it uses less digits than its factorization.

523900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 523900 is about 723.8093671679. The cubic root of 523900 is about 80.6150509527.

The spelling of 523900 in words is "five hundred twenty-three thousand, nine hundred".