242343287 has 2 divisors, whose sum is σ = 242343288. Its totient is φ = 242343286.

The previous prime is 242343281. The next prime is 242343331. The reversal of 242343287 is 782343242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242343287 - 2⁶ = 242343223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242343281) 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, 121171643 + 121171644.

It is an arithmetic number, because the mean of its divisors is an integer number (121171644).

Almost surely, 2^242343287 is an apocalyptic number.

242343287 is a deficient number, since it is larger than the sum of its proper divisors (1).

242343287 is an equidigital number, since it uses as much as digits as its factorization.

242343287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 35.

The square root of 242343287 is about 15567.3789380229. The cubic root of 242343287 is about 623.4624923874.

The spelling of 242343287 in words is "two hundred forty-two million, three hundred forty-three thousand, two hundred eighty-seven".