4223111321443 has 4 divisors (see below), whose sum is σ = 4826412938800. Its totient is φ = 3619809704088.

The previous prime is 4223111321413. The next prime is 4223111321453. The reversal of 4223111321443 is 3441231113224.

It is a happy number.

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 4223111321443 - 2²⁹ = 4222574450531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223111321413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301650808668 + ... + 301650808681.

It is an arithmetic number, because the mean of its divisors is an integer number (1206603234700).

Almost surely, 2^{4223111321443} is an apocalyptic number.

4223111321443 is a deficient number, since it is larger than the sum of its proper divisors (603301617357).

4223111321443 is an equidigital number, since it uses as much as digits as its factorization.

4223111321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603301617356.

The product of its digits is 13824, while the sum is 31.

Adding to 4223111321443 its reverse (3441231113224), we get a palindrome (7664342434667).

The spelling of 4223111321443 in words is "four trillion, two hundred twenty-three billion, one hundred eleven million, three hundred twenty-one thousand, four hundred forty-three".