242450123317 has 2 divisors, whose sum is σ = 242450123318. Its totient is φ = 242450123316.

The previous prime is 242450123203. The next prime is 242450123341. The reversal of 242450123317 is 713321054242.

242450123317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152381710321 + 90068412996 = 390361^2 + 300114^2 .

It is a cyclic number.

It is not a de Polignac number, because 242450123317 - 2¹¹ = 242450121269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242450123417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121225061658 + 121225061659.

It is an arithmetic number, because the mean of its divisors is an integer number (121225061659).

Almost surely, 2^242450123317 is an apocalyptic number.

It is an amenable number.

242450123317 is a deficient number, since it is larger than the sum of its proper divisors (1).

242450123317 is an equidigital number, since it uses as much as digits as its factorization.

242450123317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 242450123317 its reverse (713321054242), we get a palindrome (955771177559).

The spelling of 242450123317 in words is "two hundred forty-two billion, four hundred fifty million, one hundred twenty-three thousand, three hundred seventeen".