13430423 has 2 divisors, whose sum is σ = 13430424. Its totient is φ = 13430422.

The previous prime is 13430419. The next prime is 13430429. The reversal of 13430423 is 32403431.

It is a weak prime.

It is an emirp because it is prime and its reverse (32403431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13430423 - 2² = 13430419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13430395 and 13430404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13430429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715211 + 6715212.

It is an arithmetic number, because the mean of its divisors is an integer number (6715212).

Almost surely, 2^13430423 is an apocalyptic number.

13430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430423 is an equidigital number, since it uses as much as digits as its factorization.

13430423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13430423 is about 3664.7541527366. The cubic root of 13430423 is about 237.7003915361.

Adding to 13430423 its reverse (32403431), we get a palindrome (45833854).

The spelling of 13430423 in words is "thirteen million, four hundred thirty thousand, four hundred twenty-three".