4423322143 has 4 divisors (see below), whose sum is σ = 4432116528. Its totient is φ = 4414527760.

The previous prime is 4423322117. The next prime is 4423322149. The reversal of 4423322143 is 3412233244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423322143 is a prime.

It is a super-2 number, since 2×4423322143² = 39131557561508224898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423322149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4396438 + ... + 4397443.

It is an arithmetic number, because the mean of its divisors is an integer number (1108029132).

Almost surely, 2^4423322143 is an apocalyptic number.

4423322143 is a deficient number, since it is larger than the sum of its proper divisors (8794385).

4423322143 is an equidigital number, since it uses as much as digits as its factorization.

4423322143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794384.

The product of its digits is 13824, while the sum is 28.

The square root of 4423322143 is about 66508.0607370265. The cubic root of 4423322143 is about 1641.5326420732.

Adding to 4423322143 its reverse (3412233244), we get a palindrome (7835555387).

The spelling of 4423322143 in words is "four billion, four hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-three".