143232232013221 has 8 divisors (see below), whose sum is σ = 154819284564224. Its totient is φ = 131726492112240.

The previous prime is 143232232013207. The next prime is 143232232013261. The reversal of 143232232013221 is 122310232232341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143232232013221 - 2⁷ = 143232232013093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143232232013261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20328158841 + ... + 20328165886.

It is an arithmetic number, because the mean of its divisors is an integer number (19352410570528).

Almost surely, 2^{143232232013221} is an apocalyptic number.

It is an amenable number.

143232232013221 is a deficient number, since it is larger than the sum of its proper divisors (11587052551003).

143232232013221 is a wasteful number, since it uses less digits than its factorization.

143232232013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40656325011.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 143232232013221 its reverse (122310232232341), we get a palindrome (265542464245562).

The spelling of 143232232013221 in words is "one hundred forty-three trillion, two hundred thirty-two billion, two hundred thirty-two million, thirteen thousand, two hundred twenty-one".