4230002421 has 12 divisors (see below), whose sum is σ = 6307100800. Its totient is φ = 2729033640.

The previous prime is 4230002417. The next prime is 4230002449. The reversal of 4230002421 is 1242000324.

4230002421 is a `hidden beast` number, since 423 + 0 + 0 + 0 + 242 + 1 = 666.

It is not a de Polignac number, because 4230002421 - 2² = 4230002417 is a prime.

It is a super-2 number, since 2×4230002421² = 35785840963331722482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4230002394 and 4230002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230002221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7580371 + ... + 7580928.

Almost surely, 2^4230002421 is an apocalyptic number.

It is an amenable number.

4230002421 is a deficient number, since it is larger than the sum of its proper divisors (2077098379).

4230002421 is a wasteful number, since it uses less digits than its factorization.

4230002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161336 (or 15161333 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4230002421 is about 65038.4687781009. The cubic root of 4230002421 is about 1617.2613410445.

Adding to 4230002421 its reverse (1242000324), we get a palindrome (5472002745).

The spelling of 4230002421 in words is "four billion, two hundred thirty million, two thousand, four hundred twenty-one".