13113244423 has 4 divisors (see below), whose sum is σ = 13884611760. Its totient is φ = 12341877088.

The previous prime is 13113244399. The next prime is 13113244483. The reversal of 13113244423 is 32444231131.

It is a happy number.

13113244423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13113244423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13113244391 and 13113244400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113244483) 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 in 3 ways as a sum of consecutive naturals, for example, 385683643 + ... + 385683676.

It is an arithmetic number, because the mean of its divisors is an integer number (3471152940).

Almost surely, 2^13113244423 is an apocalyptic number.

13113244423 is a deficient number, since it is larger than the sum of its proper divisors (771367337).

13113244423 is an equidigital number, since it uses as much as digits as its factorization.

13113244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771367336.

The product of its digits is 6912, while the sum is 28.

Adding to 13113244423 its reverse (32444231131), we get a palindrome (45557475554).

The spelling of 13113244423 in words is "thirteen billion, one hundred thirteen million, two hundred forty-four thousand, four hundred twenty-three".