204340323 has 24 divisors (see below), whose sum is σ = 317099664. Its totient is φ = 116554240.

The previous prime is 204340321. The next prime is 204340327. The reversal of 204340323 is 323043402.

It is not a de Polignac number, because 204340323 - 2¹ = 204340321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204340323.

It is not an unprimeable number, because it can be changed into a prime (204340321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10386 + ... + 22727.

It is an arithmetic number, because the mean of its divisors is an integer number (13212486).

Almost surely, 2^204340323 is an apocalyptic number.

204340323 is a deficient number, since it is larger than the sum of its proper divisors (112759341).

204340323 is a wasteful number, since it uses less digits than its factorization.

204340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33155 (or 33144 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 204340323 is about 14294.7655804494. The cubic root of 204340323 is about 589.0037030292.

Adding to 204340323 its reverse (323043402), we get a palindrome (527383725).

The spelling of 204340323 in words is "two hundred four million, three hundred forty thousand, three hundred twenty-three".