13423430321 has 8 divisors (see below), whose sum is σ = 15404721024. Its totient is φ = 11458054080.

The previous prime is 13423430309. The next prime is 13423430341. The reversal of 13423430321 is 12303432431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13423430321 - 2¹⁸ = 13423168177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423430341) 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 in 7 ways as a sum of consecutive naturals, for example, 3976805 + ... + 3980178.

It is an arithmetic number, because the mean of its divisors is an integer number (1925590128).

Almost surely, 2^13423430321 is an apocalyptic number.

It is an amenable number.

13423430321 is a deficient number, since it is larger than the sum of its proper divisors (1981290703).

13423430321 is an equidigital number, since it uses as much as digits as its factorization.

13423430321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957231.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13423430321 its reverse (12303432431), we get a palindrome (25726862752).

The spelling of 13423430321 in words is "thirteen billion, four hundred twenty-three million, four hundred thirty thousand, three hundred twenty-one".