234185423 has 2 divisors, whose sum is σ = 234185424. Its totient is φ = 234185422.

The previous prime is 234185417. The next prime is 234185459. The reversal of 234185423 is 324581432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234185423 - 2⁶ = 234185359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234185423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234185723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117092711 + 117092712.

It is an arithmetic number, because the mean of its divisors is an integer number (117092712).

Almost surely, 2^234185423 is an apocalyptic number.

234185423 is a deficient number, since it is larger than the sum of its proper divisors (1).

234185423 is an equidigital number, since it uses as much as digits as its factorization.

234185423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 234185423 is about 15303.1180809664. The cubic root of 234185423 is about 616.3867383335.

The spelling of 234185423 in words is "two hundred thirty-four million, one hundred eighty-five thousand, four hundred twenty-three".