523424638 has 32 divisors (see below), whose sum is σ = 888890112. Its totient is φ = 229084800.

The previous prime is 523424617. The next prime is 523424641. The reversal of 523424638 is 836424325.

It is a junction number, because it is equal to n+sod(n) for n = 523424597 and 523424606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63270 + ... + 71062.

It is an arithmetic number, because the mean of its divisors is an integer number (27777816).

Almost surely, 2^523424638 is an apocalyptic number.

523424638 is a deficient number, since it is larger than the sum of its proper divisors (365465474).

523424638 is a wasteful number, since it uses less digits than its factorization.

523424638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920.

The product of its digits is 138240, while the sum is 37.

The square root of 523424638 is about 22878.4754299757. The cubic root of 523424638 is about 805.9066148397.

The spelling of 523424638 in words is "five hundred twenty-three million, four hundred twenty-four thousand, six hundred thirty-eight".