223132313 has 4 divisors (see below), whose sum is σ = 223295268. Its totient is φ = 222969360.

The previous prime is 223132297. The next prime is 223132319. The reversal of 223132313 is 313231322.

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 125260864 + 97871449 = 11192^2 + 9893^2 .

It is a cyclic number.

It is not a de Polignac number, because 223132313 - 2⁴ = 223132297 is a prime.

It is a super-3 number, since 3×223132313³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223132319) 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, 79406 + ... + 82167.

It is an arithmetic number, because the mean of its divisors is an integer number (55823817).

Almost surely, 2^223132313 is an apocalyptic number.

It is an amenable number.

223132313 is a deficient number, since it is larger than the sum of its proper divisors (162955).

223132313 is a wasteful number, since it uses less digits than its factorization.

223132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162954.

The product of its digits is 648, while the sum is 20.

The square root of 223132313 is about 14937.6140330375. The cubic root of 223132313 is about 606.5326103921.

Adding to 223132313 its reverse (313231322), we get a palindrome (536363635).

Subtracting 223132313 from its reverse (313231322), we obtain a palindrome (90099009).

The spelling of 223132313 in words is "two hundred twenty-three million, one hundred thirty-two thousand, three hundred thirteen".