4243021230 has 48 divisors (see below), whose sum is σ = 11845826640. Its totient is φ = 969833088.

The previous prime is 4243021229. The next prime is 4243021231. The reversal of 4243021230 is 321203424.

It is an interprime number because it is at equal distance from previous prime (4243021229) and next prime (4243021231).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4243021197 and 4243021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243021231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441735 + ... + 1444674.

It is an arithmetic number, because the mean of its divisors is an integer number (246788055).

Almost surely, 2^4243021230 is an apocalyptic number.

4243021230 is an abundant number, since it is smaller than the sum of its proper divisors (7602805410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243021230 is a wasteful number, since it uses less digits than its factorization.

4243021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886433 (or 2886426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4243021230 is about 65138.4773386667. The cubic root of 4243021230 is about 1618.9188068419.

Adding to 4243021230 its reverse (321203424), we get a palindrome (4564224654).

The spelling of 4243021230 in words is "four billion, two hundred forty-three million, twenty-one thousand, two hundred thirty".