223100321321 has 4 divisors (see below), whose sum is σ = 236223869652. Its totient is φ = 209976772992.

The previous prime is 223100321293. The next prime is 223100321369. The reversal of 223100321321 is 123123001322.

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 209522245696 + 13578075625 = 457736^2 + 116525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223100321321 is a prime.

It is a super-3 number, since 3×223100321321³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223100321293 and 223100321302.

It is not an unprimeable number, because it can be changed into a prime (223100321371) 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, 6561774140 + ... + 6561774173.

It is an arithmetic number, because the mean of its divisors is an integer number (59055967413).

Almost surely, 2^223100321321 is an apocalyptic number.

It is an amenable number.

223100321321 is a deficient number, since it is larger than the sum of its proper divisors (13123548331).

223100321321 is a wasteful number, since it uses less digits than its factorization.

223100321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123548330.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223100321321 its reverse (123123001322), we get a palindrome (346223322643).

The spelling of 223100321321 in words is "two hundred twenty-three billion, one hundred million, three hundred twenty-one thousand, three hundred twenty-one".