13424923 has 2 divisors, whose sum is σ = 13424924. Its totient is φ = 13424922.

The previous prime is 13424921. The next prime is 13424947. The reversal of 13424923 is 32942431.

It is a weak prime.

It is an emirp because it is prime and its reverse (32942431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13424923 - 2¹ = 13424921 is a prime.

Together with 13424921, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13424891 and 13424900.

It is not a weakly prime, because it can be changed into another prime (13424921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712461 + 6712462.

It is an arithmetic number, because the mean of its divisors is an integer number (6712462).

Almost surely, 2^13424923 is an apocalyptic number.

13424923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424923 is an equidigital number, since it uses as much as digits as its factorization.

13424923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 13424923 is about 3664.0036844960. The cubic root of 13424923 is about 237.6679395760.

The spelling of 13424923 in words is "thirteen million, four hundred twenty-four thousand, nine hundred twenty-three".