13223142443 has 4 divisors (see below), whose sum is σ = 15112162800. Its totient is φ = 11334122088.

The previous prime is 13223142407. The next prime is 13223142467. The reversal of 13223142443 is 34424132231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13223142443 - 2⁶ = 13223142379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13223142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944510168 + ... + 944510181.

It is an arithmetic number, because the mean of its divisors is an integer number (3778040700).

Almost surely, 2^13223142443 is an apocalyptic number.

13223142443 is a deficient number, since it is larger than the sum of its proper divisors (1889020357).

13223142443 is an equidigital number, since it uses as much as digits as its factorization.

13223142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889020356.

The product of its digits is 13824, while the sum is 29.

Adding to 13223142443 its reverse (34424132231), we get a palindrome (47647274674).

The spelling of 13223142443 in words is "thirteen billion, two hundred twenty-three million, one hundred forty-two thousand, four hundred forty-three".