4232243163221 has 2 divisors, whose sum is σ = 4232243163222. Its totient is φ = 4232243163220.

The previous prime is 4232243163163. The next prime is 4232243163223. The reversal of 4232243163221 is 1223613422324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2116704912100 + 2115538251121 = 1454890^2 + 1454489^2 .

It is a cyclic number.

It is not a de Polignac number, because 4232243163221 - 2²⁶ = 4232176054357 is a prime.

Together with 4232243163223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4232243163223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116121581610 + 2116121581611.

It is an arithmetic number, because the mean of its divisors is an integer number (2116121581611).

Almost surely, 2^{4232243163221} is an apocalyptic number.

It is an amenable number.

4232243163221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4232243163221 is an equidigital number, since it uses as much as digits as its factorization.

4232243163221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

Adding to 4232243163221 its reverse (1223613422324), we get a palindrome (5455856585545).

The spelling of 4232243163221 in words is "four trillion, two hundred thirty-two billion, two hundred forty-three million, one hundred sixty-three thousand, two hundred twenty-one".