243328367 has 2 divisors, whose sum is σ = 243328368. Its totient is φ = 243328366.

The previous prime is 243328343. The next prime is 243328369. The reversal of 243328367 is 763823342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243328367 - 2¹⁴ = 243311983 is a prime.

Together with 243328369, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243328367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243328369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121664183 + 121664184.

It is an arithmetic number, because the mean of its divisors is an integer number (121664184).

Almost surely, 2^243328367 is an apocalyptic number.

243328367 is a deficient number, since it is larger than the sum of its proper divisors (1).

243328367 is an equidigital number, since it uses as much as digits as its factorization.

243328367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 38.

The square root of 243328367 is about 15598.9860888456. The cubic root of 243328367 is about 624.3061030697.

The spelling of 243328367 in words is "two hundred forty-three million, three hundred twenty-eight thousand, three hundred sixty-seven".