13023340344 has 144 divisors (see below), whose sum is σ = 41326903800. Its totient is φ = 3694045824.

The previous prime is 13023340333. The next prime is 13023340361. The reversal of 13023340344 is 44304332031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 477114 + ... + 503670.

Almost surely, 2^13023340344 is an apocalyptic number.

13023340344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023340344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20663451900).

13023340344 is an abundant number, since it is smaller than the sum of its proper divisors (28303563456).

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

13023340344 is a wasteful number, since it uses less digits than its factorization.

13023340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26722 (or 26708 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13023340344 its reverse (44304332031), we get a palindrome (57327672375).

The spelling of 13023340344 in words is "thirteen billion, twenty-three million, three hundred forty thousand, three hundred forty-four".