523426688 has 16 divisors (see below), whose sum is σ = 1042764360. Its totient is φ = 261713280.

The previous prime is 523426637. The next prime is 523426693. The reversal of 523426688 is 886624325.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044508 + ... + 2044763.

Almost surely, 2^523426688 is an apocalyptic number.

It is an amenable number.

523426688 is a deficient number, since it is larger than the sum of its proper divisors (519337672).

523426688 is an equidigital number, since it uses as much as digits as its factorization.

523426688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089285 (or 4089273 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 523426688 is about 22878.5202318681. The cubic root of 523426688 is about 805.9076669532.

The spelling of 523426688 in words is "five hundred twenty-three million, four hundred twenty-six thousand, six hundred eighty-eight".