12433423 has 2 divisors, whose sum is σ = 12433424. Its totient is φ = 12433422.

The previous prime is 12433417. The next prime is 12433453. The reversal of 12433423 is 32433421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12433423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12433394 and 12433403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12433453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216711 + 6216712.

It is an arithmetic number, because the mean of its divisors is an integer number (6216712).

Almost surely, 2^12433423 is an apocalyptic number.

12433423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433423 is an equidigital number, since it uses as much as digits as its factorization.

12433423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 12433423 is about 3526.1059258054. The cubic root of 12433423 is about 231.6666772481. Note that the first 4 decimals are identical.

Adding to 12433423 its reverse (32433421), we get a palindrome (44866844).

The spelling of 12433423 in words is "twelve million, four hundred thirty-three thousand, four hundred twenty-three".