204863223 has 8 divisors (see below), whose sum is σ = 279503488. Its totient is φ = 133399224.

The previous prime is 204863213. The next prime is 204863227. The reversal of 204863223 is 322368402.

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

It is not a de Polignac number, because 204863223 - 2⁴ = 204863207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204863227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793915 + ... + 794172.

It is an arithmetic number, because the mean of its divisors is an integer number (34937936).

Almost surely, 2^204863223 is an apocalyptic number.

204863223 is a deficient number, since it is larger than the sum of its proper divisors (74640265).

204863223 is a wasteful number, since it uses less digits than its factorization.

204863223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588133.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 204863223 is about 14313.0438062629. The cubic root of 204863223 is about 589.5056886262.

The spelling of 204863223 in words is "two hundred four million, eight hundred sixty-three thousand, two hundred twenty-three".