4223243197 has 4 divisors (see below), whose sum is σ = 4228822876. Its totient is φ = 4217663520.

The previous prime is 4223243191. The next prime is 4223243201. The reversal of 4223243197 is 7913423224.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2624922756 + 1598320441 = 51234^2 + 39979^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223243197 - 2¹¹ = 4223241149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223243191) 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, 2788704 + ... + 2790217.

It is an arithmetic number, because the mean of its divisors is an integer number (1057205719).

Almost surely, 2^4223243197 is an apocalyptic number.

It is an amenable number.

4223243197 is a deficient number, since it is larger than the sum of its proper divisors (5579679).

4223243197 is an equidigital number, since it uses as much as digits as its factorization.

4223243197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579678.

The product of its digits is 72576, while the sum is 37.

The square root of 4223243197 is about 64986.4847256720. The cubic root of 4223243197 is about 1616.3994613661.

The spelling of 4223243197 in words is "four billion, two hundred twenty-three million, two hundred forty-three thousand, one hundred ninety-seven".