239242943 has 2 divisors, whose sum is σ = 239242944. Its totient is φ = 239242942.

The previous prime is 239242937. The next prime is 239242957. The reversal of 239242943 is 349242932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 239242943 - 2⁶ = 239242879 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 239242897 and 239242906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239242043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119621471 + 119621472.

It is an arithmetic number, because the mean of its divisors is an integer number (119621472).

Almost surely, 2^239242943 is an apocalyptic number.

239242943 is a deficient number, since it is larger than the sum of its proper divisors (1).

239242943 is an equidigital number, since it uses as much as digits as its factorization.

239242943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 239242943 is about 15467.4801761631. The cubic root of 239242943 is about 620.7923817780.

The spelling of 239242943 in words is "two hundred thirty-nine million, two hundred forty-two thousand, nine hundred forty-three".