204113323 has 2 divisors, whose sum is σ = 204113324. Its totient is φ = 204113322.

The previous prime is 204113321. The next prime is 204113347. The reversal of 204113323 is 323311402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204113323 - 2¹ = 204113321 is a prime.

It is a super-2 number, since 2×204113323² = 83324497252204658, which contains 22 as substring.

Together with 204113321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204113323.

It is not a weakly prime, because it can be changed into another prime (204113321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102056661 + 102056662.

It is an arithmetic number, because the mean of its divisors is an integer number (102056662).

Almost surely, 2^204113323 is an apocalyptic number.

204113323 is a deficient number, since it is larger than the sum of its proper divisors (1).

204113323 is an equidigital number, since it uses as much as digits as its factorization.

204113323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 204113323 is about 14286.8234048021. The cubic root of 204113323 is about 588.7855157434.

Adding to 204113323 its reverse (323311402), we get a palindrome (527424725).

The spelling of 204113323 in words is "two hundred four million, one hundred thirteen thousand, three hundred twenty-three".