242440123403267 has 2 divisors, whose sum is σ = 242440123403268. Its totient is φ = 242440123403266.

The previous prime is 242440123403243. The next prime is 242440123403459. The reversal of 242440123403267 is 762304321044242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242440123403267 - 2⁴⁰ = 241340611775491 is a prime.

It is not a weakly prime, because it can be changed into another prime (242440123403167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121220061701633 + 121220061701634.

It is an arithmetic number, because the mean of its divisors is an integer number (121220061701634).

Almost surely, 2^{242440123403267} is an apocalyptic number.

242440123403267 is a deficient number, since it is larger than the sum of its proper divisors (1).

242440123403267 is an equidigital number, since it uses as much as digits as its factorization.

242440123403267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 44.

The spelling of 242440123403267 in words is "two hundred forty-two trillion, four hundred forty billion, one hundred twenty-three million, four hundred three thousand, two hundred sixty-seven".