234423239 has 2 divisors, whose sum is σ = 234423240. Its totient is φ = 234423238.

The previous prime is 234423227. The next prime is 234423247. The reversal of 234423239 is 932324432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234423239 is a prime.

It is a super-2 number, since 2×234423239² = 109908509966502242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234423289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117211619 + 117211620.

It is an arithmetic number, because the mean of its divisors is an integer number (117211620).

Almost surely, 2^234423239 is an apocalyptic number.

234423239 is a deficient number, since it is larger than the sum of its proper divisors (1).

234423239 is an equidigital number, since it uses as much as digits as its factorization.

234423239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

The square root of 234423239 is about 15310.8862904797. The cubic root of 234423239 is about 616.5953152735.

The spelling of 234423239 in words is "two hundred thirty-four million, four hundred twenty-three thousand, two hundred thirty-nine".