523530434 has 16 divisors (see below), whose sum is σ = 903940800. Its totient is φ = 222755184.

The previous prime is 523530421. The next prime is 523530443. The reversal of 523530434 is 434035325.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523530397 and 523530406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132569 + ... + 136460.

It is an arithmetic number, because the mean of its divisors is an integer number (56496300).

Almost surely, 2^523530434 is an apocalyptic number.

523530434 is a deficient number, since it is larger than the sum of its proper divisors (380410366).

523530434 is a wasteful number, since it uses less digits than its factorization.

523530434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269177.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 523530434 is about 22880.7874427433. The cubic root of 523530434 is about 805.9609085216.

Adding to 523530434 its reverse (434035325), we get a palindrome (957565759).

The spelling of 523530434 in words is "five hundred twenty-three million, five hundred thirty thousand, four hundred thirty-four".