4223051032321 has 12 divisors (see below), whose sum is σ = 4729448395476. Its totient is φ = 3766700743520.

The previous prime is 4223051032313. The next prime is 4223051032349. The reversal of 4223051032321 is 1232301503224.

It is a happy number.

4223051032321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2669759923600 + 1553291108721 = 1633940^2 + 1246311^2 .

It is not a de Polignac number, because 4223051032321 - 2³ = 4223051032313 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 4223051032321.

It is not an unprimeable number, because it can be changed into a prime (4223051032381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329250646 + ... + 329263471.

It is an arithmetic number, because the mean of its divisors is an integer number (394120699623).

Almost surely, 2^{4223051032321} is an apocalyptic number.

It is an amenable number.

4223051032321 is a deficient number, since it is larger than the sum of its proper divisors (506397363155).

4223051032321 is a wasteful number, since it uses less digits than its factorization.

4223051032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658514192 (or 658514181 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 4223051032321 its reverse (1232301503224), we get a palindrome (5455352535545).

The spelling of 4223051032321 in words is "four trillion, two hundred twenty-three billion, fifty-one million, thirty-two thousand, three hundred twenty-one".