223235313 has 32 divisors (see below), whose sum is σ = 379146240. Its totient is φ = 113736960.

The previous prime is 223235297. The next prime is 223235339. The reversal of 223235313 is 313532322.

It is not a de Polignac number, because 223235313 - 2⁴ = 223235297 is a prime.

It is a super-4 number, since 4×223235313⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223235713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9673 + ... + 23238.

It is an arithmetic number, because the mean of its divisors is an integer number (11848320).

Almost surely, 2^223235313 is an apocalyptic number.

It is an amenable number.

223235313 is a deficient number, since it is larger than the sum of its proper divisors (155910927).

223235313 is a wasteful number, since it uses less digits than its factorization.

223235313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32957.

The product of its digits is 3240, while the sum is 24.

The square root of 223235313 is about 14941.0613076849. The cubic root of 223235313 is about 606.6259231114.

Adding to 223235313 its reverse (313532322), we get a palindrome (536767635).

The spelling of 223235313 in words is "two hundred twenty-three million, two hundred thirty-five thousand, three hundred thirteen".