223242313 has 4 divisors (see below), whose sum is σ = 255134080. Its totient is φ = 191350548.

The previous prime is 223242311. The next prime is 223242329. The reversal of 223242313 is 313242322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223242313 - 2¹ = 223242311 is a prime.

It is a super-3 number, since 3×223242313³ (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 (223242311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15945873 + ... + 15945886.

It is an arithmetic number, because the mean of its divisors is an integer number (63783520).

Almost surely, 2^223242313 is an apocalyptic number.

It is an amenable number.

223242313 is a deficient number, since it is larger than the sum of its proper divisors (31891767).

223242313 is an equidigital number, since it uses as much as digits as its factorization.

223242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31891766.

The product of its digits is 1728, while the sum is 22.

The square root of 223242313 is about 14941.2955596227. The cubic root of 223242313 is about 606.6322637108.

Adding to 223242313 its reverse (313242322), we get a palindrome (536484635).

Subtracting 223242313 from its reverse (313242322), we obtain a palindrome (90000009).

The spelling of 223242313 in words is "two hundred twenty-three million, two hundred forty-two thousand, three hundred thirteen".