523865832 has 128 divisors (see below), whose sum is σ = 1560176640. Its totient is φ = 143458560.

The previous prime is 523865821. The next prime is 523865879. The reversal of 523865832 is 238568325.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 440743 + ... + 441929.

It is an arithmetic number, because the mean of its divisors is an integer number (12188880).

Almost surely, 2^523865832 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 523865832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780088320).

523865832 is an abundant number, since it is smaller than the sum of its proper divisors (1036310808).

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

523865832 is a wasteful number, since it uses less digits than its factorization.

523865832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1307 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 523865832 is about 22888.1155187578. The cubic root of 523865832 is about 806.1329838228.

The spelling of 523865832 in words is "five hundred twenty-three million, eight hundred sixty-five thousand, eight hundred thirty-two".