523040324 has 18 divisors (see below), whose sum is σ = 929217870. Its totient is φ = 257608032.

The previous prime is 523040311. The next prime is 523040333. The reversal of 523040324 is 423040325.

It can be written as a sum of positive squares in only one way, i.e., 393308224 + 129732100 = 19832^2 + 11390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 523040324.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3392 + ... + 32520.

It is an arithmetic number, because the mean of its divisors is an integer number (51623215).

Almost surely, 2^523040324 is an apocalyptic number.

It is an amenable number.

523040324 is a deficient number, since it is larger than the sum of its proper divisors (406177546).

523040324 is a wasteful number, since it uses less digits than its factorization.

523040324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29267 (or 29198 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 523040324 is about 22870.0748577699. The cubic root of 523040324 is about 805.7093263124.

Adding to 523040324 its reverse (423040325), we get a palindrome (946080649).

Subtracting from 523040324 its reverse (423040325), we obtain a palindrome (99999999).

It can be divided in two parts, 5230 and 40324, that added together give a palindrome (45554).

The spelling of 523040324 in words is "five hundred twenty-three million, forty thousand, three hundred twenty-four".