223666313 has 8 divisors (see below), whose sum is σ = 241008768. Its totient is φ = 206343504.

The previous prime is 223666231. The next prime is 223666319. The reversal of 223666313 is 313666322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223666313 - 2⁸ = 223666057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223666313.

It is not an unprimeable number, because it can be changed into a prime (223666319) 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, 25970 + ... + 33492.

It is an arithmetic number, because the mean of its divisors is an integer number (30126096).

Almost surely, 2^223666313 is an apocalyptic number.

It is an amenable number.

223666313 is a deficient number, since it is larger than the sum of its proper divisors (17342455).

223666313 is a wasteful number, since it uses less digits than its factorization.

223666313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823.

The product of its digits is 23328, while the sum is 32.

The square root of 223666313 is about 14955.4776921368. The cubic root of 223666313 is about 607.0160759738.

Subtracting 223666313 from its reverse (313666322), we obtain a palindrome (90000009).

The spelling of 223666313 in words is "two hundred twenty-three million, six hundred sixty-six thousand, three hundred thirteen".