223223231311 has 4 divisors (see below), whose sum is σ = 223255509912. Its totient is φ = 223190952712.

The previous prime is 223223231267. The next prime is 223223231381. The reversal of 223223231311 is 113132322322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223223231311 is a prime.

It is a super-3 number, since 3×223223231311³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223223231381) 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, 16128925 + ... + 16142758.

It is an arithmetic number, because the mean of its divisors is an integer number (55813877478).

Almost surely, 2^223223231311 is an apocalyptic number.

223223231311 is a deficient number, since it is larger than the sum of its proper divisors (32278601).

223223231311 is an equidigital number, since it uses as much as digits as its factorization.

223223231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32278600.

The product of its digits is 2592, while the sum is 25.

Adding to 223223231311 its reverse (113132322322), we get a palindrome (336355553633).

The spelling of 223223231311 in words is "two hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred eleven".