13423220344 has 16 divisors (see below), whose sum is σ = 25248953520. Its totient is φ = 6690166080.

The previous prime is 13423220341. The next prime is 13423220353. The reversal of 13423220344 is 44302232431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423220341) 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 3 ways as a sum of consecutive naturals, for example, 2677852 + ... + 2682859.

It is an arithmetic number, because the mean of its divisors is an integer number (1578059595).

Almost surely, 2^13423220344 is an apocalyptic number.

It is an amenable number.

13423220344 is a deficient number, since it is larger than the sum of its proper divisors (11825733176).

13423220344 is a wasteful number, since it uses less digits than its factorization.

13423220344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361030 (or 5361026 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 13423220344 its reverse (44302232431), we get a palindrome (57725452775).

The spelling of 13423220344 in words is "thirteen billion, four hundred twenty-three million, two hundred twenty thousand, three hundred forty-four".