523939434 has 32 divisors (see below), whose sum is σ = 1073909760. Its totient is φ = 170320752.

The previous prime is 523939399. The next prime is 523939441. The reversal of 523939434 is 434939325.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232887 + ... + 235125.

It is an arithmetic number, because the mean of its divisors is an integer number (33559680).

Almost surely, 2^523939434 is an apocalyptic number.

523939434 is an abundant number, since it is smaller than the sum of its proper divisors (549970326).

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

523939434 is a wasteful number, since it uses less digits than its factorization.

523939434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its digits is 349920, while the sum is 42.

The square root of 523939434 is about 22889.7233272925. The cubic root of 523939434 is about 806.1707353600.

The spelling of 523939434 in words is "five hundred twenty-three million, nine hundred thirty-nine thousand, four hundred thirty-four".