223112313 has 10 divisors (see below), whose sum is σ = 333291354. Its totient is φ = 148741488.

The previous prime is 223112303. The next prime is 223112321. The reversal of 223112313 is 313211322.

It can be written as a sum of positive squares in only one way, i.e., 130028409 + 93083904 = 11403^2 + 9648^2 .

It is not a de Polignac number, because 223112313 - 2⁶ = 223112249 is a prime.

It is a super-3 number, since 3×223112313³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223112303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1377156 + ... + 1377317.

Almost surely, 2^223112313 is an apocalyptic number.

It is an amenable number.

223112313 is a deficient number, since it is larger than the sum of its proper divisors (110179041).

223112313 is an equidigital number, since it uses as much as digits as its factorization.

223112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754485 (or 2754476 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 223112313 is about 14936.9445670793. The cubic root of 223112313 is about 606.5144880884.

Adding to 223112313 its reverse (313211322), we get a palindrome (536323635).

Subtracting 223112313 from its reverse (313211322), we obtain a palindrome (90099009).

The spelling of 223112313 in words is "two hundred twenty-three million, one hundred twelve thousand, three hundred thirteen".