204163343 has 2 divisors, whose sum is σ = 204163344. Its totient is φ = 204163342.

The previous prime is 204163331. The next prime is 204163381. The reversal of 204163343 is 343361402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204163343 - 2⁸ = 204163087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204163243) 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, 102081671 + 102081672.

It is an arithmetic number, because the mean of its divisors is an integer number (102081672).

Almost surely, 2^204163343 is an apocalyptic number.

204163343 is a deficient number, since it is larger than the sum of its proper divisors (1).

204163343 is an equidigital number, since it uses as much as digits as its factorization.

204163343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 204163343 is about 14288.5738616560. The cubic root of 204163343 is about 588.8336077308.

The spelling of 204163343 in words is "two hundred four million, one hundred sixty-three thousand, three hundred forty-three".