234071239 has 2 divisors, whose sum is σ = 234071240. Its totient is φ = 234071238.

The previous prime is 234071221. The next prime is 234071261. The reversal of 234071239 is 932170432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234071239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234071239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234071219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117035619 + 117035620.

It is an arithmetic number, because the mean of its divisors is an integer number (117035620).

Almost surely, 2^234071239 is an apocalyptic number.

234071239 is a deficient number, since it is larger than the sum of its proper divisors (1).

234071239 is an equidigital number, since it uses as much as digits as its factorization.

234071239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 234071239 is about 15299.3868831401. The cubic root of 234071239 is about 616.2865428781.

The spelling of 234071239 in words is "two hundred thirty-four million, seventy-one thousand, two hundred thirty-nine".