204314243 has 4 divisors (see below), whose sum is σ = 233502000. Its totient is φ = 175126488.

The previous prime is 204314237. The next prime is 204314261. The reversal of 204314243 is 342413402.

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 204314243 - 2⁶ = 204314179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204314203) 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 in 3 ways as a sum of consecutive naturals, for example, 14593868 + ... + 14593881.

It is an arithmetic number, because the mean of its divisors is an integer number (58375500).

Almost surely, 2^204314243 is an apocalyptic number.

204314243 is a deficient number, since it is larger than the sum of its proper divisors (29187757).

204314243 is an equidigital number, since it uses as much as digits as its factorization.

204314243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29187756.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204314243 is about 14293.8533293161. The cubic root of 204314243 is about 588.9786437394.

Adding to 204314243 its reverse (342413402), we get a palindrome (546727645).

The spelling of 204314243 in words is "two hundred four million, three hundred fourteen thousand, two hundred forty-three".