243046339 has 2 divisors, whose sum is σ = 243046340. Its totient is φ = 243046338.

The previous prime is 243046283. The next prime is 243046367. The reversal of 243046339 is 933640342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243046339 - 2⁷ = 243046211 is a prime.

It is not a weakly prime, because it can be changed into another prime (243046369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121523169 + 121523170.

It is an arithmetic number, because the mean of its divisors is an integer number (121523170).

Almost surely, 2^243046339 is an apocalyptic number.

243046339 is a deficient number, since it is larger than the sum of its proper divisors (1).

243046339 is an equidigital number, since it uses as much as digits as its factorization.

243046339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 243046339 is about 15589.9435213858. The cubic root of 243046339 is about 624.0648106514.

The spelling of 243046339 in words is "two hundred forty-three million, forty-six thousand, three hundred thirty-nine".