204323033221 has 8 divisors (see below), whose sum is σ = 209504064704. Its totient is φ = 199161516960.

The previous prime is 204323033203. The next prime is 204323033227. The reversal of 204323033221 is 122330323402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204323033221 - 2²³ = 204314644613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204323033227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4857600 + ... + 4899481.

It is an arithmetic number, because the mean of its divisors is an integer number (26188008088).

Almost surely, 2^204323033221 is an apocalyptic number.

It is an amenable number.

204323033221 is a deficient number, since it is larger than the sum of its proper divisors (5181031483).

204323033221 is an equidigital number, since it uses as much as digits as its factorization.

204323033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757611.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 204323033221 its reverse (122330323402), we get a palindrome (326653356623).

The spelling of 204323033221 in words is "two hundred four billion, three hundred twenty-three million, thirty-three thousand, two hundred twenty-one".