242368543 has 2 divisors, whose sum is σ = 242368544. Its totient is φ = 242368542.

The previous prime is 242368531. The next prime is 242368561. The reversal of 242368543 is 345863242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242368543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242368513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121184271 + 121184272.

It is an arithmetic number, because the mean of its divisors is an integer number (121184272).

Almost surely, 2^242368543 is an apocalyptic number.

242368543 is a deficient number, since it is larger than the sum of its proper divisors (1).

242368543 is an equidigital number, since it uses as much as digits as its factorization.

242368543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 242368543 is about 15568.1901003296. The cubic root of 242368543 is about 623.4841498496.

The spelling of 242368543 in words is "two hundred forty-two million, three hundred sixty-eight thousand, five hundred forty-three".