204613311323 has 4 divisors (see below), whose sum is σ = 208966786080. Its totient is φ = 200259836568.

The previous prime is 204613311317. The next prime is 204613311337. The reversal of 204613311323 is 323113316402.

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

It is a cyclic number.

It is not a de Polignac number, because 204613311323 - 2²⁰ = 204612262747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204613311373) 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, 2176737308 + ... + 2176737401.

It is an arithmetic number, because the mean of its divisors is an integer number (52241696520).

Almost surely, 2^204613311323 is an apocalyptic number.

204613311323 is a deficient number, since it is larger than the sum of its proper divisors (4353474757).

204613311323 is an equidigital number, since it uses as much as digits as its factorization.

204613311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353474756.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 204613311323 its reverse (323113316402), we get a palindrome (527726627725).

The spelling of 204613311323 in words is "two hundred four billion, six hundred thirteen million, three hundred eleven thousand, three hundred twenty-three".