4343023221 has 8 divisors (see below), whose sum is σ = 5791017120. Its totient is φ = 2895189072.

The previous prime is 4343023123. The next prime is 4343023229. The reversal of 4343023221 is 1223203434.

4343023221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4343023221 - 2²¹ = 4340926069 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4343023191 and 4343023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4343023229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57375 + ... + 109443.

It is an arithmetic number, because the mean of its divisors is an integer number (723877140).

Almost surely, 2^4343023221 is an apocalyptic number.

It is an amenable number.

4343023221 is a deficient number, since it is larger than the sum of its proper divisors (1447993899).

4343023221 is a wasteful number, since it uses less digits than its factorization.

4343023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79875.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4343023221 is about 65901.6177419037. The cubic root of 4343023221 is about 1631.5387154919.

Adding to 4343023221 its reverse (1223203434), we get a palindrome (5566226655).

The spelling of 4343023221 in words is "four billion, three hundred forty-three million, twenty-three thousand, two hundred twenty-one".