4243221214323 has 64 divisors (see below), whose sum is σ = 7012142592000. Its totient is φ = 2222471623680.

The previous prime is 4243221214313. The next prime is 4243221214357. The reversal of 4243221214323 is 3234121223424.

It is a happy number.

It is not a de Polignac number, because 4243221214323 - 2⁶ = 4243221214259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243221214313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147683823 + ... + 147712551.

It is an arithmetic number, because the mean of its divisors is an integer number (109564728000).

Almost surely, 2^{4243221214323} is an apocalyptic number.

4243221214323 is a deficient number, since it is larger than the sum of its proper divisors (2768921377677).

4243221214323 is a wasteful number, since it uses less digits than its factorization.

4243221214323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32532.

The product of its digits is 55296, while the sum is 33.

Adding to 4243221214323 its reverse (3234121223424), we get a palindrome (7477342437747).

It can be divided in two parts, 4243221 and 214323, that added together give a palindrome (4457544).

The spelling of 4243221214323 in words is "four trillion, two hundred forty-three billion, two hundred twenty-one million, two hundred fourteen thousand, three hundred twenty-three".