204323344211 has 16 divisors (see below), whose sum is σ = 245658873600. Its totient is φ = 166229151648.

The previous prime is 204323344163. The next prime is 204323344219. The reversal of 204323344211 is 112443323402.

It is not a de Polignac number, because 204323344211 - 2³⁴ = 187143475027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (204323344219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8517845 + ... + 8541798.

It is an arithmetic number, because the mean of its divisors is an integer number (15353679600).

Almost surely, 2^204323344211 is an apocalyptic number.

204323344211 is a deficient number, since it is larger than the sum of its proper divisors (41335529389).

204323344211 is a wasteful number, since it uses less digits than its factorization.

204323344211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17059738.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204323344211 its reverse (112443323402), we get a palindrome (316766667613).

The spelling of 204323344211 in words is "two hundred four billion, three hundred twenty-three million, three hundred forty-four thousand, two hundred eleven".