204434323201 has 4 divisors (see below), whose sum is σ = 204797439792. Its totient is φ = 204071206612.

The previous prime is 204434323187. The next prime is 204434323207. The reversal of 204434323201 is 102323434402.

204434323201 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 204434323201 - 2²⁹ = 203897452289 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 204434323201.

It is not an unprimeable number, because it can be changed into a prime (204434323207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181557451 + ... + 181558576.

It is an arithmetic number, because the mean of its divisors is an integer number (51199359948).

Almost surely, 2^204434323201 is an apocalyptic number.

It is an amenable number.

204434323201 is a deficient number, since it is larger than the sum of its proper divisors (363116591).

204434323201 is an equidigital number, since it uses as much as digits as its factorization.

204434323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363116590.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204434323201 its reverse (102323434402), we get a palindrome (306757757603).

The spelling of 204434323201 in words is "two hundred four billion, four hundred thirty-four million, three hundred twenty-three thousand, two hundred one".