4223420309 has 2 divisors, whose sum is σ = 4223420310. Its totient is φ = 4223420308.

The previous prime is 4223420293. The next prime is 4223420317. The reversal of 4223420309 is 9030243224.

4223420309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3106390225 + 1117030084 = 55735^2 + 33422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223420309 - 2⁴ = 4223420293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223420809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111710154 + 2111710155.

It is an arithmetic number, because the mean of its divisors is an integer number (2111710155).

Almost surely, 2^4223420309 is an apocalyptic number.

It is an amenable number.

4223420309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223420309 is an equidigital number, since it uses as much as digits as its factorization.

4223420309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 4223420309 is about 64987.8473947245. The cubic root of 4223420309 is about 1616.4220569343.

The spelling of 4223420309 in words is "four billion, two hundred twenty-three million, four hundred twenty thousand, three hundred nine".