234423109 has 2 divisors, whose sum is σ = 234423110. Its totient is φ = 234423108.

The previous prime is 234423103. The next prime is 234423181. The reversal of 234423109 is 901324432.

234423109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221354884 + 13068225 = 14878^2 + 3615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234423109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234423103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117211554 + 117211555.

It is an arithmetic number, because the mean of its divisors is an integer number (117211555).

Almost surely, 2^234423109 is an apocalyptic number.

It is an amenable number.

234423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

234423109 is an equidigital number, since it uses as much as digits as its factorization.

234423109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 234423109 is about 15310.8820451338. The cubic root of 234423109 is about 616.5952012954.

The spelling of 234423109 in words is "two hundred thirty-four million, four hundred twenty-three thousand, one hundred nine".