204355233 has 6 divisors (see below), whose sum is σ = 295179794. Its totient is φ = 136236816.

The previous prime is 204355231. The next prime is 204355237. The reversal of 204355233 is 332553402.

It can be written as a sum of positive squares in only one way, i.e., 148060224 + 56295009 = 12168^2 + 7503^2 .

It is not a de Polignac number, because 204355233 - 2¹ = 204355231 is a prime.

It is a super-2 number, since 2×204355233² = 83522122508968578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204355197 and 204355206.

It is not an unprimeable number, because it can be changed into a prime (204355231) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11353060 + ... + 11353077.

Almost surely, 2^204355233 is an apocalyptic number.

It is an amenable number.

204355233 is a deficient number, since it is larger than the sum of its proper divisors (90824561).

204355233 is a wasteful number, since it uses less digits than its factorization.

204355233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22706143 (or 22706140 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 204355233 is about 14295.2870905064. The cubic root of 204355233 is about 589.0180285288.

The spelling of 204355233 in words is "two hundred four million, three hundred fifty-five thousand, two hundred thirty-three".