223131320 has 32 divisors (see below), whose sum is σ = 502603920. Its totient is φ = 89153280.

The previous prime is 223131317. The next prime is 223131329. The reversal of 223131320 is 23131322.

It is a super-3 number, since 3×223131320³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223131329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41084 + ... + 46196.

Almost surely, 2^223131320 is an apocalyptic number.

223131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223131320 is an abundant number, since it is smaller than the sum of its proper divisors (279472600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223131320 is a wasteful number, since it uses less digits than its factorization.

223131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215 (or 6211 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223131320 is about 14937.5807947606. The cubic root of 223131320 is about 606.5317106453.

Adding to 223131320 its reverse (23131322), we get a palindrome (246262642).

The spelling of 223131320 in words is "two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty".