523056312 has 64 divisors (see below), whose sum is σ = 1459584000. Its totient is φ = 173554272.

The previous prime is 523056307. The next prime is 523056319. The reversal of 523056312 is 213650325.

523056312 is a `hidden beast` number, since 5 + 23 + 0 + 5 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523056319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42739 + ... + 53597.

It is an arithmetic number, because the mean of its divisors is an integer number (22806000).

Almost surely, 2^523056312 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 523056312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729792000).

523056312 is an abundant number, since it is smaller than the sum of its proper divisors (936527688).

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

523056312 is a wasteful number, since it uses less digits than its factorization.

523056312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097 (or 11087 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 523056312 is about 22870.4243948380. The cubic root of 523056312 is about 805.7175357173.

The spelling of 523056312 in words is "five hundred twenty-three million, fifty-six thousand, three hundred twelve".