523144368 has 60 divisors (see below), whose sum is σ = 1467925888. Its totient is φ = 173923200.

The previous prime is 523144351. The next prime is 523144373. The reversal of 523144368 is 863441325.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 52593 + ... + 61743.

Almost surely, 2^523144368 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 523144368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733962944).

523144368 is an abundant number, since it is smaller than the sum of its proper divisors (944781520).

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

523144368 is a wasteful number, since it uses less digits than its factorization.

523144368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9553 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 523144368 is about 22872.3494202060. The cubic root of 523144368 is about 805.7627470905.

The spelling of 523144368 in words is "five hundred twenty-three million, one hundred forty-four thousand, three hundred sixty-eight".