4230051021 has 12 divisors (see below), whose sum is σ = 6982941472. Its totient is φ = 2417171976.

The previous prime is 4230051019. The next prime is 4230051053. The reversal of 4230051021 is 1201500324.

It is not a de Polignac number, because 4230051021 - 2¹ = 4230051019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4230050985 and 4230051003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230051121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33571771 + ... + 33571896.

Almost surely, 2^4230051021 is an apocalyptic number.

It is an amenable number.

4230051021 is a deficient number, since it is larger than the sum of its proper divisors (2752890451).

4230051021 is a wasteful number, since it uses less digits than its factorization.

4230051021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143680 (or 67143677 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4230051021 is about 65038.8424020600. The cubic root of 4230051021 is about 1617.2675347841.

Adding to 4230051021 its reverse (1201500324), we get a palindrome (5431551345).

The spelling of 4230051021 in words is "four billion, two hundred thirty million, fifty-one thousand, twenty-one".