13000322443 has 16 divisors (see below), whose sum is σ = 13938220800. Its totient is φ = 12089316960.

The previous prime is 13000322411. The next prime is 13000322497. The reversal of 13000322443 is 34422300031.

It is a happy number.

It is not a de Polignac number, because 13000322443 - 2⁵ = 13000322411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000322143) 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, 287880 + ... + 329962.

It is an arithmetic number, because the mean of its divisors is an integer number (871138800).

Almost surely, 2^13000322443 is an apocalyptic number.

13000322443 is a deficient number, since it is larger than the sum of its proper divisors (937898357).

13000322443 is a wasteful number, since it uses less digits than its factorization.

13000322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42402.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13000322443 its reverse (34422300031), we get a palindrome (47422622474).

The spelling of 13000322443 in words is "thirteen billion, three hundred twenty-two thousand, four hundred forty-three".