204221044334323 has 4 divisors (see below), whose sum is σ = 208074271585968. Its totient is φ = 200367817082680.

The previous prime is 204221044334309. The next prime is 204221044334327. The reversal of 204221044334323 is 323433440122402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204221044334323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204221044334327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926613625743 + ... + 1926613625848.

It is an arithmetic number, because the mean of its divisors is an integer number (52018567896492).

Almost surely, 2^{204221044334323} is an apocalyptic number.

204221044334323 is a deficient number, since it is larger than the sum of its proper divisors (3853227251645).

204221044334323 is an equidigital number, since it uses as much as digits as its factorization.

204221044334323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853227251644.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 204221044334323 its reverse (323433440122402), we get a palindrome (527654484456725).

The spelling of 204221044334323 in words is "two hundred four trillion, two hundred twenty-one billion, forty-four million, three hundred thirty-four thousand, three hundred twenty-three".