223122221323 has 4 divisors (see below), whose sum is σ = 223127199288. Its totient is φ = 223117243360.

The previous prime is 223122221303. The next prime is 223122221351. The reversal of 223122221323 is 323122221322.

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 223122221323 - 2¹⁷ = 223122090251 is a prime.

It is a super-3 number, since 3×223122221323³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223122221303) 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, 2421133 + ... + 2511598.

It is an arithmetic number, because the mean of its divisors is an integer number (55781799822).

Almost surely, 2^223122221323 is an apocalyptic number.

223122221323 is a deficient number, since it is larger than the sum of its proper divisors (4977965).

223122221323 is an equidigital number, since it uses as much as digits as its factorization.

223122221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977964.

The product of its digits is 3456, while the sum is 25.

Adding to 223122221323 its reverse (323122221322), we get a palindrome (546244442645).

Subtracting 223122221323 from its reverse (323122221322), we obtain a palindrome (99999999999).

The spelling of 223122221323 in words is "two hundred twenty-three billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty-three".