242440343 has 2 divisors, whose sum is σ = 242440344. Its totient is φ = 242440342.

The previous prime is 242440301. The next prime is 242440351. The reversal of 242440343 is 343044242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242440343 - 2¹⁴ = 242423959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242440843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121220171 + 121220172.

It is an arithmetic number, because the mean of its divisors is an integer number (121220172).

Almost surely, 2^242440343 is an apocalyptic number.

242440343 is a deficient number, since it is larger than the sum of its proper divisors (1).

242440343 is an equidigital number, since it uses as much as digits as its factorization.

242440343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 242440343 is about 15570.4959137466. The cubic root of 242440343 is about 623.5457113894.

Adding to 242440343 its reverse (343044242), we get a palindrome (585484585).

The spelling of 242440343 in words is "two hundred forty-two million, four hundred forty thousand, three hundred forty-three".