4233212321 has 16 divisors (see below), whose sum is σ = 4673480448. Its totient is φ = 3809462400.

The previous prime is 4233212317. The next prime is 4233212323. The reversal of 4233212321 is 1232123324.

4233212321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4233212321 - 2² = 4233212317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4233212323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133960 + ... + 1137686.

It is an arithmetic number, because the mean of its divisors is an integer number (292092528).

Almost surely, 2^4233212321 is an apocalyptic number.

4233212321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4233212321 is a deficient number, since it is larger than the sum of its proper divisors (440268127).

4233212321 is a wasteful number, since it uses less digits than its factorization.

4233212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912.

The product of its digits is 1728, while the sum is 23.

The square root of 4233212321 is about 65063.1410323848. The cubic root of 4233212321 is about 1617.6703191100.

Adding to 4233212321 its reverse (1232123324), we get a palindrome (5465335645).

The spelling of 4233212321 in words is "four billion, two hundred thirty-three million, two hundred twelve thousand, three hundred twenty-one".