204303234 has 64 divisors (see below), whose sum is σ = 434294784. Its totient is φ = 63999936.

The previous prime is 204303223. The next prime is 204303247. The reversal of 204303234 is 432303402.

It is a super-2 number, since 2×204303234² = 83479622845717512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204303234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916047 + ... + 916269.

It is an arithmetic number, because the mean of its divisors is an integer number (6785856).

Almost surely, 2^204303234 is an apocalyptic number.

204303234 is an abundant number, since it is smaller than the sum of its proper divisors (229991550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204303234 is a wasteful number, since it uses less digits than its factorization.

204303234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 204303234 is about 14293.4682285301. The cubic root of 204303234 is about 588.9680649658.

Adding to 204303234 its reverse (432303402), we get a palindrome (636606636).

The spelling of 204303234 in words is "two hundred four million, three hundred three thousand, two hundred thirty-four".