204650223 has 4 divisors (see below), whose sum is σ = 272866968. Its totient is φ = 136433480.

The previous prime is 204650209. The next prime is 204650231. The reversal of 204650223 is 322056402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204650223 - 2²⁰ = 203601647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204650193 and 204650202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204650023) by changing a digit.

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, 34108368 + ... + 34108373.

It is an arithmetic number, because the mean of its divisors is an integer number (68216742).

Almost surely, 2^204650223 is an apocalyptic number.

204650223 is a deficient number, since it is larger than the sum of its proper divisors (68216745).

204650223 is an equidigital number, since it uses as much as digits as its factorization.

204650223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68216744.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 204650223 is about 14305.6011058606. The cubic root of 204650223 is about 589.3013112010.

The spelling of 204650223 in words is "two hundred four million, six hundred fifty thousand, two hundred twenty-three".