4230004021 has 8 divisors (see below), whose sum is σ = 4348622264. Its totient is φ = 4111611840.

The previous prime is 4230004007. The next prime is 4230004043. The reversal of 4230004021 is 1204000324.

It can be written as a sum of positive squares in 4 ways, for example, as 1411880625 + 2818123396 = 37575^2 + 53086^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4230004021 - 2⁹ = 4230003509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4230003986 and 4230004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230004921) 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 7 ways as a sum of consecutive naturals, for example, 18210 + ... + 93763.

It is an arithmetic number, because the mean of its divisors is an integer number (543577783).

Almost surely, 2^4230004021 is an apocalyptic number.

It is an amenable number.

4230004021 is a deficient number, since it is larger than the sum of its proper divisors (118618243).

4230004021 is a wasteful number, since it uses less digits than its factorization.

4230004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113031.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4230004021 is about 65038.4810785123. The cubic root of 4230004021 is about 1617.2615449544.

Adding to 4230004021 its reverse (1204000324), we get a palindrome (5434004345).

The spelling of 4230004021 in words is "four billion, two hundred thirty million, four thousand, twenty-one".