3221143234223 has 4 divisors (see below), whose sum is σ = 3225537700488. Its totient is φ = 3216748767960.

The previous prime is 3221143234171. The next prime is 3221143234237. The reversal of 3221143234223 is 3224323411223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221143234223 - 2¹² = 3221143230127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221143234223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221143234523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197232033 + ... + 2197233498.

It is an arithmetic number, because the mean of its divisors is an integer number (806384425122).

Almost surely, 2^{3221143234223} is an apocalyptic number.

3221143234223 is a deficient number, since it is larger than the sum of its proper divisors (4394466265).

3221143234223 is an equidigital number, since it uses as much as digits as its factorization.

3221143234223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394466264.

The product of its digits is 41472, while the sum is 32.

Adding to 3221143234223 its reverse (3224323411223), we get a palindrome (6445466645446).

The spelling of 3221143234223 in words is "three trillion, two hundred twenty-one billion, one hundred forty-three million, two hundred thirty-four thousand, two hundred twenty-three".