223032100321 has 4 divisors (see below), whose sum is σ = 236151635652. Its totient is φ = 209912564992.

The previous prime is 223032100201. The next prime is 223032100351. The reversal of 223032100321 is 123001230322.

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 148503100321 + 74529000000 = 385361^2 + 273000^2 .

It is a cyclic number.

It is not a de Polignac number, because 223032100321 - 2⁹ = 223032099809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223032100351) 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, 6559767640 + ... + 6559767673.

It is an arithmetic number, because the mean of its divisors is an integer number (59037908913).

Almost surely, 2^223032100321 is an apocalyptic number.

It is an amenable number.

223032100321 is a deficient number, since it is larger than the sum of its proper divisors (13119535331).

223032100321 is a wasteful number, since it uses less digits than its factorization.

223032100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119535330.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 223032100321 its reverse (123001230322), we get a palindrome (346033330643).

The spelling of 223032100321 in words is "two hundred twenty-three billion, thirty-two million, one hundred thousand, three hundred twenty-one".