4234423 has 2 divisors, whose sum is σ = 4234424. Its totient is φ = 4234422.

The previous prime is 4234421. The next prime is 4234427. The reversal of 4234423 is 3244324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4234423 - 2¹ = 4234421 is a prime.

Together with 4234421, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4234394 and 4234403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4234421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117211 + 2117212.

It is an arithmetic number, because the mean of its divisors is an integer number (2117212).

Almost surely, 2^4234423 is an apocalyptic number.

4234423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4234423 is an equidigital number, since it uses as much as digits as its factorization.

4234423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 22.

The square root of 4234423 is about 2057.7713672806. The cubic root of 4234423 is about 161.7824519802.

Adding to 4234423 its reverse (3244324), we get a palindrome (7478747).

Subtracting from 4234423 its reverse (3244324), we obtain a palindrome (990099).

The spelling of 4234423 in words is "four million, two hundred thirty-four thousand, four hundred twenty-three".