13424351323 has 4 divisors (see below), whose sum is σ = 13751774568. Its totient is φ = 13096928080.

The previous prime is 13424351299. The next prime is 13424351357. The reversal of 13424351323 is 32315342431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32315342431 = 31 ⋅1042430401.

It is a cyclic number.

It is not a de Polignac number, because 13424351323 - 2³³ = 4834416731 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424351363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163711561 + ... + 163711642.

It is an arithmetic number, because the mean of its divisors is an integer number (3437943642).

Almost surely, 2^13424351323 is an apocalyptic number.

13424351323 is a deficient number, since it is larger than the sum of its proper divisors (327423245).

13424351323 is an equidigital number, since it uses as much as digits as its factorization.

13424351323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327423244.

The product of its digits is 25920, while the sum is 31.

Adding to 13424351323 its reverse (32315342431), we get a palindrome (45739693754).

The spelling of 13424351323 in words is "thirteen billion, four hundred twenty-four million, three hundred fifty-one thousand, three hundred twenty-three".