4231222543 has 2 divisors, whose sum is σ = 4231222544. Its totient is φ = 4231222542.

The previous prime is 4231222529. The next prime is 4231222571. The reversal of 4231222543 is 3452221324.

It is an a-pointer prime, because the next prime (4231222571) can be obtained adding 4231222543 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4231222543 - 2⁹ = 4231222031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231222843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115611271 + 2115611272.

It is an arithmetic number, because the mean of its divisors is an integer number (2115611272).

Almost surely, 2^4231222543 is an apocalyptic number.

4231222543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231222543 is an equidigital number, since it uses as much as digits as its factorization.

4231222543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 4231222543 is about 65047.8481042993. The cubic root of 4231222543 is about 1617.4168229451.

Adding to 4231222543 its reverse (3452221324), we get a palindrome (7683443867).

The spelling of 4231222543 in words is "four billion, two hundred thirty-one million, two hundred twenty-two thousand, five hundred forty-three".