204204423 has 8 divisors (see below), whose sum is σ = 272379888. Its totient is φ = 136082624.

The previous prime is 204204421. The next prime is 204204431. The reversal of 204204423 is 324402402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204204423 - 2¹ = 204204421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204204423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204204421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486 + ... + 20507.

It is an arithmetic number, because the mean of its divisors is an integer number (34047486).

Almost surely, 2^204204423 is an apocalyptic number.

204204423 is a deficient number, since it is larger than the sum of its proper divisors (68175465).

204204423 is a wasteful number, since it uses less digits than its factorization.

204204423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204204423 is about 14290.0113016050. The cubic root of 204204423 is about 588.8730984348.

Adding to 204204423 its reverse (324402402), we get a palindrome (528606825).

The spelling of 204204423 in words is "two hundred four million, two hundred four thousand, four hundred twenty-three".