242343407 has 2 divisors, whose sum is σ = 242343408. Its totient is φ = 242343406.

The previous prime is 242343403. The next prime is 242343419. The reversal of 242343407 is 704343242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242343407 - 2² = 242343403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242343407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242343403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121171703 + 121171704.

It is an arithmetic number, because the mean of its divisors is an integer number (121171704).

Almost surely, 2^242343407 is an apocalyptic number.

242343407 is a deficient number, since it is larger than the sum of its proper divisors (1).

242343407 is an equidigital number, since it uses as much as digits as its factorization.

242343407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 242343407 is about 15567.3827922358. The cubic root of 242343407 is about 623.4625952930.

Adding to 242343407 its reverse (704343242), we get a palindrome (946686649).

The spelling of 242343407 in words is "two hundred forty-two million, three hundred forty-three thousand, four hundred seven".