523681832 has 8 divisors (see below), whose sum is σ = 981903450. Its totient is φ = 261840912.

The previous prime is 523681813. The next prime is 523681867. The reversal of 523681832 is 238186325.

It can be written as a sum of positive squares in only one way, i.e., 512297956 + 11383876 = 22634^2 + 3374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×523681832² = 548485322333752448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32730107 + ... + 32730122.

Almost surely, 2^523681832 is an apocalyptic number.

It is an amenable number.

523681832 is a deficient number, since it is larger than the sum of its proper divisors (458221618).

523681832 is a wasteful number, since it uses less digits than its factorization.

523681832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65460235 (or 65460231 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 523681832 is about 22884.0956124554. The cubic root of 523681832 is about 806.0385920724.

The spelling of 523681832 in words is "five hundred twenty-three million, six hundred eighty-one thousand, eight hundred thirty-two".