523228400 has 60 divisors (see below), whose sum is σ = 1265637000. Its totient is φ = 207863040.

The previous prime is 523228399. The next prime is 523228421. The reversal of 523228400 is 4822325.

It is a self number, because there is not a number n which added to its sum of digits gives 523228400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55211 + ... + 63989.

It is an arithmetic number, because the mean of its divisors is an integer number (21093950).

Almost surely, 2^523228400 is an apocalyptic number.

523228400 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 523228400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632818500).

523228400 is an abundant number, since it is smaller than the sum of its proper divisors (742408600).

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

523228400 is a wasteful number, since it uses less digits than its factorization.

523228400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946 (or 8935 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 523228400 is about 22874.1863243264. The cubic root of 523228400 is about 805.8058876551.

The spelling of 523228400 in words is "five hundred twenty-three million, two hundred twenty-eight thousand, four hundred".