204401233 has 4 divisors (see below), whose sum is σ = 205178688. Its totient is φ = 203623780.

The previous prime is 204401173. The next prime is 204401237. The reversal of 204401233 is 332104402.

204401233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204401233 - 2¹⁷ = 204270161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204401233.

It is not an unprimeable number, because it can be changed into a prime (204401237) 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, 388333 + ... + 388858.

It is an arithmetic number, because the mean of its divisors is an integer number (51294672).

Almost surely, 2^204401233 is an apocalyptic number.

It is an amenable number.

204401233 is a deficient number, since it is larger than the sum of its proper divisors (777455).

204401233 is an equidigital number, since it uses as much as digits as its factorization.

204401233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777454.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204401233 is about 14296.8959218426. The cubic root of 204401233 is about 589.0622208504.

Adding to 204401233 its reverse (332104402), we get a palindrome (536505635).

The spelling of 204401233 in words is "two hundred four million, four hundred one thousand, two hundred thirty-three".