4230113021 has 2 divisors, whose sum is σ = 4230113022. Its totient is φ = 4230113020.

The previous prime is 4230112987. The next prime is 4230113033. The reversal of 4230113021 is 1203110324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3599400025 + 630712996 = 59995^2 + 25114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4230113021 is a prime.

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 (4230113071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115056510 + 2115056511.

It is an arithmetic number, because the mean of its divisors is an integer number (2115056511).

Almost surely, 2^4230113021 is an apocalyptic number.

It is an amenable number.

4230113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230113021 is an equidigital number, since it uses as much as digits as its factorization.

4230113021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4230113021 is about 65039.3190385631. The cubic root of 4230113021 is about 1617.2754361937.

Adding to 4230113021 its reverse (1203110324), we get a palindrome (5433223345).

The spelling of 4230113021 in words is "four billion, two hundred thirty million, one hundred thirteen thousand, twenty-one".