242230231342237 has 2 divisors, whose sum is σ = 242230231342238. Its totient is φ = 242230231342236.

The previous prime is 242230231342163. The next prime is 242230231342279. The reversal of 242230231342237 is 732243132032242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125382908897401 + 116847322444836 = 11197451^2 + 10809594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242230231342237 is a prime.

It is a super-2 number, since 2×242230231342237² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242230231342237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242230231342937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121115115671118 + 121115115671119.

It is an arithmetic number, because the mean of its divisors is an integer number (121115115671119).

Almost surely, 2^{242230231342237} is an apocalyptic number.

It is an amenable number.

242230231342237 is a deficient number, since it is larger than the sum of its proper divisors (1).

242230231342237 is an equidigital number, since it uses as much as digits as its factorization.

242230231342237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 40.

Adding to 242230231342237 its reverse (732243132032242), we get a palindrome (974473363374479).

The spelling of 242230231342237 in words is "two hundred forty-two trillion, two hundred thirty billion, two hundred thirty-one million, three hundred forty-two thousand, two hundred thirty-seven".