22143433243 has 2 divisors, whose sum is σ = 22143433244. Its totient is φ = 22143433242.

The previous prime is 22143433187. The next prime is 22143433259. The reversal of 22143433243 is 34233434122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22143433243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22143433643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071716621 + 11071716622.

It is an arithmetic number, because the mean of its divisors is an integer number (11071716622).

Almost surely, 2^22143433243 is an apocalyptic number.

22143433243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143433243 is an equidigital number, since it uses as much as digits as its factorization.

22143433243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

Adding to 22143433243 its reverse (34233434122), we get a palindrome (56376867365).

The spelling of 22143433243 in words is "twenty-two billion, one hundred forty-three million, four hundred thirty-three thousand, two hundred forty-three".