204631223 has 2 divisors, whose sum is σ = 204631224. Its totient is φ = 204631222.

The previous prime is 204631211. The next prime is 204631241. The reversal of 204631223 is 322136402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204631223 - 2¹⁰ = 204630199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204631723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102315611 + 102315612.

It is an arithmetic number, because the mean of its divisors is an integer number (102315612).

Almost surely, 2^204631223 is an apocalyptic number.

204631223 is a deficient number, since it is larger than the sum of its proper divisors (1).

204631223 is an equidigital number, since it uses as much as digits as its factorization.

204631223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 204631223 is about 14304.9370148910. The cubic root of 204631223 is about 589.2830734630.

Adding to 204631223 its reverse (322136402), we get a palindrome (526767625).

The spelling of 204631223 in words is "two hundred four million, six hundred thirty-one thousand, two hundred twenty-three".