13423312111144 has 64 divisors (see below), whose sum is σ = 27594498839040. Its totient is φ = 6083770325760.

The previous prime is 13423312111133. The next prime is 13423312111189. The reversal of 13423312111144 is 44111121332431.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2107887 + ... + 5593729.

It is an arithmetic number, because the mean of its divisors is an integer number (431164044360).

Almost surely, 2^{13423312111144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13423312111144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13797249419520).

13423312111144 is an abundant number, since it is smaller than the sum of its proper divisors (14171186727896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13423312111144 is a wasteful number, since it uses less digits than its factorization.

13423312111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486530 (or 3486526 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 13423312111144 its reverse (44111121332431), we get a palindrome (57534433443575).

The spelling of 13423312111144 in words is "thirteen trillion, four hundred twenty-three billion, three hundred twelve million, one hundred eleven thousand, one hundred forty-four".