204123304 has 32 divisors (see below), whose sum is σ = 477172800. Its totient is φ = 79528320.

The previous prime is 204123253. The next prime is 204123331. The reversal of 204123304 is 403321402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165069 + ... + 166300.

It is an arithmetic number, because the mean of its divisors is an integer number (14911650).

Almost surely, 2^204123304 is an apocalyptic number.

It is an amenable number.

204123304 is an abundant number, since it is smaller than the sum of its proper divisors (273049496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204123304 is a wasteful number, since it uses less digits than its factorization.

204123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331393 (or 331389 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204123304 is about 14287.1727084123. The cubic root of 204123304 is about 588.7951126549.

Adding to 204123304 its reverse (403321402), we get a palindrome (607444706).

It can be divided in two parts, 20412 and 3304, that added together give a square (23716 = 154²).

The spelling of 204123304 in words is "two hundred four million, one hundred twenty-three thousand, three hundred four".