13444542512343 has 24 divisors (see below), whose sum is σ = 20049814187520. Its totient is φ = 8672396420880.

The previous prime is 13444542512333. The next prime is 13444542512377. The reversal of 13444542512343 is 34321524544431.

It is a happy number.

13444542512343 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 4 + 54 + 251 + 2 + 343 = 666.

It is not a de Polignac number, because 13444542512343 - 2¹⁶ = 13444542446807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444542512333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2556921 + ... + 5781602.

It is an arithmetic number, because the mean of its divisors is an integer number (835408924480).

Almost surely, 2^{13444542512343} is an apocalyptic number.

13444542512343 is a deficient number, since it is larger than the sum of its proper divisors (6605271675177).

13444542512343 is a wasteful number, since it uses less digits than its factorization.

13444542512343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344339 (or 8344336 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

The spelling of 13444542512343 in words is "thirteen trillion, four hundred forty-four billion, five hundred forty-two million, five hundred twelve thousand, three hundred forty-three".