243334339 has 2 divisors, whose sum is σ = 243334340. Its totient is φ = 243334338.

The previous prime is 243334321. The next prime is 243334363. The reversal of 243334339 is 933433342.

243334339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243334339 - 2¹¹ = 243332291 is a prime.

It is not a weakly prime, because it can be changed into another prime (243334439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121667169 + 121667170.

It is an arithmetic number, because the mean of its divisors is an integer number (121667170).

Almost surely, 2^243334339 is an apocalyptic number.

243334339 is a deficient number, since it is larger than the sum of its proper divisors (1).

243334339 is an equidigital number, since it uses as much as digits as its factorization.

243334339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 34.

The square root of 243334339 is about 15599.1775103689. The cubic root of 243334339 is about 624.3112104692.

The spelling of 243334339 in words is "two hundred forty-three million, three hundred thirty-four thousand, three hundred thirty-nine".