242195751223 has 2 divisors, whose sum is σ = 242195751224. Its totient is φ = 242195751222.

The previous prime is 242195751169. The next prime is 242195751251. The reversal of 242195751223 is 322157591242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242195751223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242195751223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242195754223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121097875611 + 121097875612.

It is an arithmetic number, because the mean of its divisors is an integer number (121097875612).

Almost surely, 2^242195751223 is an apocalyptic number.

242195751223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242195751223 is an equidigital number, since it uses as much as digits as its factorization.

242195751223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The spelling of 242195751223 in words is "two hundred forty-two billion, one hundred ninety-five million, seven hundred fifty-one thousand, two hundred twenty-three".