4423300421 has 2 divisors, whose sum is σ = 4423300422. Its totient is φ = 4423300420.

The previous prime is 4423300351. The next prime is 4423300433. The reversal of 4423300421 is 1240033244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4410952225 + 12348196 = 66415^2 + 3514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423300421 - 2²⁶ = 4356191557 is a prime.

It is a super-2 number, since 2×4423300421² = 39131173228837554482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423300121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211650210 + 2211650211.

It is an arithmetic number, because the mean of its divisors is an integer number (2211650211).

Almost surely, 2^4423300421 is an apocalyptic number.

It is an amenable number.

4423300421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423300421 is an equidigital number, since it uses as much as digits as its factorization.

4423300421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4423300421 is about 66507.8974333124. The cubic root of 4423300421 is about 1641.5299549956.

Adding to 4423300421 its reverse (1240033244), we get a palindrome (5663333665).

The spelling of 4423300421 in words is "four billion, four hundred twenty-three million, three hundred thousand, four hundred twenty-one".