234565423 has 2 divisors, whose sum is σ = 234565424. Its totient is φ = 234565422.

The previous prime is 234565421. The next prime is 234565489. The reversal of 234565423 is 324565432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234565423 - 2¹ = 234565421 is a prime.

Together with 234565421, it forms a pair of twin primes.

It is equal to p_12879331 and since 234565423 and 12879331 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234565421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117282711 + 117282712.

It is an arithmetic number, because the mean of its divisors is an integer number (117282712).

Almost surely, 2^234565423 is an apocalyptic number.

234565423 is a deficient number, since it is larger than the sum of its proper divisors (1).

234565423 is an equidigital number, since it uses as much as digits as its factorization.

234565423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 34.

The square root of 234565423 is about 15315.5288188165. The cubic root of 234565423 is about 616.7199506267.

Subtracting 234565423 from its reverse (324565432), we obtain a palindrome (90000009).

The spelling of 234565423 in words is "two hundred thirty-four million, five hundred sixty-five thousand, four hundred twenty-three".