204400233 has 16 divisors (see below), whose sum is σ = 318753600. Its totient is φ = 129094560.

The previous prime is 204400187. The next prime is 204400253. The reversal of 204400233 is 332004402.

It is not a de Polignac number, because 204400233 - 2⁶ = 204400169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204400253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198708 + ... + 199733.

It is an arithmetic number, because the mean of its divisors is an integer number (19922100).

Almost surely, 2^204400233 is an apocalyptic number.

It is an amenable number.

204400233 is a deficient number, since it is larger than the sum of its proper divisors (114353367).

204400233 is a wasteful number, since it uses less digits than its factorization.

204400233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398469 (or 398463 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204400233 is about 14296.8609491734. The cubic root of 204400233 is about 589.0612602183.

Adding to 204400233 its reverse (332004402), we get a palindrome (536404635).

The spelling of 204400233 in words is "two hundred four million, four hundred thousand, two hundred thirty-three".