204133223 has 4 divisors (see below), whose sum is σ = 233295120. Its totient is φ = 174971328.

The previous prime is 204133183. The next prime is 204133243. The reversal of 204133223 is 322331402.

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

It is not a de Polignac number, because 204133223 - 2⁸ = 204132967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204133195 and 204133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204133243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14580938 + ... + 14580951.

It is an arithmetic number, because the mean of its divisors is an integer number (58323780).

Almost surely, 2^204133223 is an apocalyptic number.

204133223 is a deficient number, since it is larger than the sum of its proper divisors (29161897).

204133223 is an equidigital number, since it uses as much as digits as its factorization.

204133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29161896.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 204133223 is about 14287.5198337570. The cubic root of 204133223 is about 588.8046496423.

Adding to 204133223 its reverse (322331402), we get a palindrome (526464625).

The spelling of 204133223 in words is "two hundred four million, one hundred thirty-three thousand, two hundred twenty-three".