523361400 has 48 divisors (see below), whose sum is σ = 1622422200. Its totient is φ = 139562880.

The previous prime is 523361387. The next prime is 523361401. The reversal of 523361400 is 4163325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523361401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435535 + ... + 436734.

Almost surely, 2^523361400 is an apocalyptic number.

523361400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523361400 is an abundant number, since it is smaller than the sum of its proper divisors (1099060800).

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

523361400 is a wasteful number, since it uses less digits than its factorization.

523361400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872288 (or 872279 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 523361400 is about 22877.0933468393. The cubic root of 523361400 is about 805.8741580978.

The spelling of 523361400 in words is "five hundred twenty-three million, three hundred sixty-one thousand, four hundred".