204300043 has 2 divisors, whose sum is σ = 204300044. Its totient is φ = 204300042.

The previous prime is 204300029. The next prime is 204300119. The reversal of 204300043 is 340003402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204300043 - 2⁵ = 204300011 is a prime.

It is not a weakly prime, because it can be changed into another prime (204300143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150021 + 102150022.

It is an arithmetic number, because the mean of its divisors is an integer number (102150022).

Almost surely, 2^204300043 is an apocalyptic number.

204300043 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300043 is an equidigital number, since it uses as much as digits as its factorization.

204300043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204300043 is about 14293.3566036813. The cubic root of 204300043 is about 588.9649985975.

Adding to 204300043 its reverse (340003402), we get a palindrome (544303445).

The spelling of 204300043 in words is "two hundred four million, three hundred thousand, forty-three".