243240224267 has 2 divisors, whose sum is σ = 243240224268. Its totient is φ = 243240224266.

The previous prime is 243240224251. The next prime is 243240224327. The reversal of 243240224267 is 762422042342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243240224267 - 2⁴ = 243240224251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243240224267.

It is not a weakly prime, because it can be changed into another prime (243240224207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121620112133 + 121620112134.

It is an arithmetic number, because the mean of its divisors is an integer number (121620112134).

Almost surely, 2^243240224267 is an apocalyptic number.

243240224267 is a deficient number, since it is larger than the sum of its proper divisors (1).

243240224267 is an equidigital number, since it uses as much as digits as its factorization.

243240224267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 38.

The spelling of 243240224267 in words is "two hundred forty-three billion, two hundred forty million, two hundred twenty-four thousand, two hundred sixty-seven".