13426423 has 2 divisors, whose sum is σ = 13426424. Its totient is φ = 13426422.

The previous prime is 13426421. The next prime is 13426429. The reversal of 13426423 is 32462431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13426423 - 2¹ = 13426421 is a prime.

Together with 13426421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13426421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6713211 + 6713212.

It is an arithmetic number, because the mean of its divisors is an integer number (6713212).

Almost surely, 2^13426423 is an apocalyptic number.

13426423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13426423 is an equidigital number, since it uses as much as digits as its factorization.

13426423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 13426423 is about 3664.2083728958. The cubic root of 13426423 is about 237.6767909895.

Adding to 13426423 its reverse (32462431), we get a palindrome (45888854).

The spelling of 13426423 in words is "thirteen million, four hundred twenty-six thousand, four hundred twenty-three".