523313524 has 6 divisors (see below), whose sum is σ = 915798674. Its totient is φ = 261656760.

The previous prime is 523313521. The next prime is 523313537. The reversal of 523313524 is 425313325.

It can be written as a sum of positive squares in only one way, i.e., 356076900 + 167236624 = 18870^2 + 12932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523313492 and 523313501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523313521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65414187 + ... + 65414194.

Almost surely, 2^523313524 is an apocalyptic number.

It is an amenable number.

523313524 is a deficient number, since it is larger than the sum of its proper divisors (392485150).

523313524 is a wasteful number, since it uses less digits than its factorization.

523313524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130828385 (or 130828383 counting only the distinct ones).

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

The square root of 523313524 is about 22876.0469487191. The cubic root of 523313524 is about 805.8495841242.

Adding to 523313524 its reverse (425313325), we get a palindrome (948626849).

It can be divided in two parts, 52331 and 3524, that added together give a palindrome (55855).

The spelling of 523313524 in words is "five hundred twenty-three million, three hundred thirteen thousand, five hundred twenty-four".