242437243 has 2 divisors, whose sum is σ = 242437244. Its totient is φ = 242437242.

The previous prime is 242437231. The next prime is 242437253. The reversal of 242437243 is 342734242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242437243 - 2²¹ = 240340091 is a prime.

It is not a weakly prime, because it can be changed into another prime (242437213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121218621 + 121218622.

It is an arithmetic number, because the mean of its divisors is an integer number (121218622).

Almost surely, 2^242437243 is an apocalyptic number.

242437243 is a deficient number, since it is larger than the sum of its proper divisors (1).

242437243 is an equidigital number, since it uses as much as digits as its factorization.

242437243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 31.

The square root of 242437243 is about 15570.3963661816. The cubic root of 242437243 is about 623.5430536910.

The spelling of 242437243 in words is "two hundred forty-two million, four hundred thirty-seven thousand, two hundred forty-three".