523303504 has 10 divisors (see below), whose sum is σ = 1013900570. Its totient is φ = 261651744.

The previous prime is 523303483. The next prime is 523303531. The reversal of 523303504 is 405303325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 477335104 + 45968400 = 21848^2 + 6780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16353219 + ... + 16353250.

It is an arithmetic number, because the mean of its divisors is an integer number (101390057).

Almost surely, 2^523303504 is an apocalyptic number.

It is an amenable number.

523303504 is a deficient number, since it is larger than the sum of its proper divisors (490597066).

523303504 is a wasteful number, since it uses less digits than its factorization.

523303504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32706477 (or 32706471 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 523303504 is about 22875.8279413008. The cubic root of 523303504 is about 805.8444408312.

Adding to 523303504 its reverse (405303325), we get a palindrome (928606829).

The spelling of 523303504 in words is "five hundred twenty-three million, three hundred three thousand, five hundred four".