523245216 has 96 divisors (see below), whose sum is σ = 1543570560. Its totient is φ = 153990144.

The previous prime is 523245181. The next prime is 523245259. The reversal of 523245216 is 612542325.

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

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, 19590 + ... + 37818.

It is an arithmetic number, because the mean of its divisors is an integer number (16078860).

Almost surely, 2^523245216 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 523245216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771785280).

523245216 is an abundant number, since it is smaller than the sum of its proper divisors (1020325344).

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

523245216 is a wasteful number, since it uses less digits than its factorization.

523245216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18278 (or 18270 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 523245216 is about 22874.5538972895. The cubic root of 523245216 is about 805.8145201418.

The spelling of 523245216 in words is "five hundred twenty-three million, two hundred forty-five thousand, two hundred sixteen".