2143322443 has 2 divisors, whose sum is σ = 2143322444. Its totient is φ = 2143322442.

The previous prime is 2143322411. The next prime is 2143322449. The reversal of 2143322443 is 3442233412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143322443 - 2⁵ = 2143322411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143322449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071661221 + 1071661222.

It is an arithmetic number, because the mean of its divisors is an integer number (1071661222).

Almost surely, 2^2143322443 is an apocalyptic number.

2143322443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143322443 is an equidigital number, since it uses as much as digits as its factorization.

2143322443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2143322443 is about 46296.0305317853. The cubic root of 2143322443 is about 1289.3252972760.

Adding to 2143322443 its reverse (3442233412), we get a palindrome (5585555855).

The spelling of 2143322443 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, four hundred forty-three".