4233443424321 has 16 divisors (see below), whose sum is σ = 5668873537536. Its totient is φ = 2810179320576.

The previous prime is 4233443424269. The next prime is 4233443424323. The reversal of 4233443424321 is 1234243443324.

It is a happy number.

It is not a de Polignac number, because 4233443424321 - 2³¹ = 4231295940673 is a prime.

It is a super-2 number, since 2×4233443424321² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4233443424321.

It is not an unprimeable number, because it can be changed into a prime (4233443424323) 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, 2425270 + ... + 3787983.

It is an arithmetic number, because the mean of its divisors is an integer number (354304596096).

Almost surely, 2^{4233443424321} is an apocalyptic number.

It is an amenable number.

4233443424321 is a deficient number, since it is larger than the sum of its proper divisors (1435430113215).

4233443424321 is a wasteful number, since it uses less digits than its factorization.

4233443424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214232.

The product of its digits is 663552, while the sum is 39.

Adding to 4233443424321 its reverse (1234243443324), we get a palindrome (5467686867645).

The spelling of 4233443424321 in words is "four trillion, two hundred thirty-three billion, four hundred forty-three million, four hundred twenty-four thousand, three hundred twenty-one".