204423004 has 12 divisors (see below), whose sum is σ = 359015328. Its totient is φ = 101847200.

The previous prime is 204422993. The next prime is 204423013. The reversal of 204423004 is 400324402.

It is a congruent number.

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, 89812 + ... + 92059.

It is an arithmetic number, because the mean of its divisors is an integer number (29917944).

Almost surely, 2^204423004 is an apocalyptic number.

It is an amenable number.

204423004 is a deficient number, since it is larger than the sum of its proper divisors (154592324).

204423004 is a wasteful number, since it uses less digits than its factorization.

204423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182156 (or 182154 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 204423004 is about 14297.6572906193. The cubic root of 204423004 is about 589.0831339961.

Adding to 204423004 its reverse (400324402), we get a palindrome (604747406).

The spelling of 204423004 in words is "two hundred four million, four hundred twenty-three thousand, four".