4223243191 has 2 divisors, whose sum is σ = 4223243192. Its totient is φ = 4223243190.

The previous prime is 4223243161. The next prime is 4223243201. The reversal of 4223243191 is 1913423224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223243191 - 2¹⁷ = 4223112119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223243161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111621595 + 2111621596.

It is an arithmetic number, because the mean of its divisors is an integer number (2111621596).

Almost surely, 2^4223243191 is an apocalyptic number.

4223243191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223243191 is an equidigital number, since it uses as much as digits as its factorization.

4223243191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 4223243191 is about 64986.4846795086. The cubic root of 4223243191 is about 1616.3994606006.

The spelling of 4223243191 in words is "four billion, two hundred twenty-three million, two hundred forty-three thousand, one hundred ninety-one".