523945632 has 144 divisors (see below), whose sum is σ = 1651974912. Its totient is φ = 144829440.

The previous prime is 523945619. The next prime is 523945649. The reversal of 523945632 is 236549325.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144028 + ... + 147620.

It is an arithmetic number, because the mean of its divisors is an integer number (11472048).

Almost surely, 2^523945632 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 523945632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825987456).

523945632 is an abundant number, since it is smaller than the sum of its proper divisors (1128029280).

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

523945632 is a wasteful number, since it uses less digits than its factorization.

523945632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3636 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 523945632 is about 22889.8587151603. The cubic root of 523945632 is about 806.1739142430.

The spelling of 523945632 in words is "five hundred twenty-three million, nine hundred forty-five thousand, six hundred thirty-two".