204774223 has 2 divisors, whose sum is σ = 204774224. Its totient is φ = 204774222.

The previous prime is 204774209. The next prime is 204774239. The reversal of 204774223 is 322477402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204774223 - 2¹⁷ = 204643151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204771223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102387111 + 102387112.

It is an arithmetic number, because the mean of its divisors is an integer number (102387112).

Almost surely, 2^204774223 is an apocalyptic number.

204774223 is a deficient number, since it is larger than the sum of its proper divisors (1).

204774223 is an equidigital number, since it uses as much as digits as its factorization.

204774223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 204774223 is about 14309.9344163417. The cubic root of 204774223 is about 589.4203087240.

The spelling of 204774223 in words is "two hundred four million, seven hundred seventy-four thousand, two hundred twenty-three".