523004 has 12 divisors (see below), whose sum is σ = 932904. Its totient is φ = 256464.

The previous prime is 522989. The next prime is 523007. The reversal of 523004 is 400325.

It is a self number, because there is not a number n which added to its sum of digits gives 523004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523007) by changing a digit.

523004 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (77742).

2⁵²³⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

523004 is a deficient number, since it is larger than the sum of its proper divisors (409900).

523004 is a wasteful number, since it uses less digits than its factorization.

523004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 523004 is about 723.1901548002. The cubic root of 523004 is about 80.5690674300.

Adding to 523004 its reverse (400325), we get a palindrome (923329).

The spelling of 523004 in words is "five hundred twenty-three thousand, four".