234251239 has 2 divisors, whose sum is σ = 234251240. Its totient is φ = 234251238.

The previous prime is 234251203. The next prime is 234251249. The reversal of 234251239 is 932152432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234251239 - 2¹⁷ = 234120167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234251239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234251249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117125619 + 117125620.

It is an arithmetic number, because the mean of its divisors is an integer number (117125620).

Almost surely, 2^234251239 is an apocalyptic number.

234251239 is a deficient number, since it is larger than the sum of its proper divisors (1).

234251239 is an equidigital number, since it uses as much as digits as its factorization.

234251239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 234251239 is about 15305.2683413261. The cubic root of 234251239 is about 616.4444764984. Note that the first 4 decimals are identical.

The spelling of 234251239 in words is "two hundred thirty-four million, two hundred fifty-one thousand, two hundred thirty-nine".