424234423 has 2 divisors, whose sum is σ = 424234424. Its totient is φ = 424234422.

The previous prime is 424234387. The next prime is 424234501. The reversal of 424234423 is 324432424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424234423 - 2⁹ = 424233911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424234391 and 424234400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424234123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212117211 + 212117212.

It is an arithmetic number, because the mean of its divisors is an integer number (212117212).

Almost surely, 2^424234423 is an apocalyptic number.

424234423 is a deficient number, since it is larger than the sum of its proper divisors (1).

424234423 is an equidigital number, since it uses as much as digits as its factorization.

424234423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 28.

The square root of 424234423 is about 20596.9517890391. The cubic root of 424234423 is about 751.3955781308.

Adding to 424234423 its reverse (324432424), we get a palindrome (748666847).

The spelling of 424234423 in words is "four hundred twenty-four million, two hundred thirty-four thousand, four hundred twenty-three".