523199712 has 96 divisors (see below), whose sum is σ = 1581334272. Its totient is φ = 148368384.

The previous prime is 523199707. The next prime is 523199737. The reversal of 523199712 is 217991325.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89223 + ... + 94905.

It is an arithmetic number, because the mean of its divisors is an integer number (16472232).

Almost surely, 2^523199712 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 523199712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790667136).

523199712 is an abundant number, since it is smaller than the sum of its proper divisors (1058134560).

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

523199712 is a wasteful number, since it uses less digits than its factorization.

523199712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5832 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 523199712 is about 22873.5592333157. The cubic root of 523199712 is about 805.7911602551.

The spelling of 523199712 in words is "five hundred twenty-three million, one hundred ninety-nine thousand, seven hundred twelve".