523345132 has 12 divisors (see below), whose sum is σ = 924414120. Its totient is φ = 259226816.

The previous prime is 523345117. The next prime is 523345159. The reversal of 523345132 is 231543325.

It is a self number, because there is not a number n which added to its sum of digits gives 523345132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610957 + ... + 611812.

It is an arithmetic number, because the mean of its divisors is an integer number (77034510).

Almost surely, 2^523345132 is an apocalyptic number.

It is an amenable number.

523345132 is a deficient number, since it is larger than the sum of its proper divisors (401068988).

523345132 is a wasteful number, since it uses less digits than its factorization.

523345132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222880 (or 1222878 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 523345132 is about 22876.7377919143. The cubic root of 523345132 is about 805.8658081656.

Adding to 523345132 its reverse (231543325), we get a palindrome (754888457).

The spelling of 523345132 in words is "five hundred twenty-three million, three hundred forty-five thousand, one hundred thirty-two".