4223142022321 has 4 divisors (see below), whose sum is σ = 4240665433444. Its totient is φ = 4205618611200.

The previous prime is 4223142022313. The next prime is 4223142022343. The reversal of 4223142022321 is 1232202413224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3859338830400 + 363803191921 = 1964520^2 + 603161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223142022321 - 2³ = 4223142022313 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 4223142022321.

It is not an unprimeable number, because it can be changed into a prime (4223142022921) 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, 8761705200 + ... + 8761705681.

It is an arithmetic number, because the mean of its divisors is an integer number (1060166358361).

Almost surely, 2^{4223142022321} is an apocalyptic number.

It is an amenable number.

4223142022321 is a deficient number, since it is larger than the sum of its proper divisors (17523411123).

4223142022321 is a wasteful number, since it uses less digits than its factorization.

4223142022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523411122.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4223142022321 its reverse (1232202413224), we get a palindrome (5455344435545).

The spelling of 4223142022321 in words is "four trillion, two hundred twenty-three billion, one hundred forty-two million, twenty-two thousand, three hundred twenty-one".