13423063544 has 64 divisors (see below), whose sum is σ = 28127813760. Its totient is φ = 5953875840.

The previous prime is 13423063441. The next prime is 13423063547. The reversal of 13423063544 is 44536032431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423063547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620234 + ... + 641510.

It is an arithmetic number, because the mean of its divisors is an integer number (439497090).

Almost surely, 2^13423063544 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 13423063544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14063906880).

13423063544 is an abundant number, since it is smaller than the sum of its proper divisors (14704750216).

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

13423063544 is a wasteful number, since it uses less digits than its factorization.

13423063544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21468 (or 21464 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 13423063544 its reverse (44536032431), we get a palindrome (57959095975).

The spelling of 13423063544 in words is "thirteen billion, four hundred twenty-three million, sixty-three thousand, five hundred forty-four".