223313323221 has 16 divisors (see below), whose sum is σ = 331010697600. Its totient is φ = 148796283744.

The previous prime is 223313323201. The next prime is 223313323283. The reversal of 223313323221 is 122323313322.

223313323221 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 1 + 332 + 322 + 1 = 666.

It is not a de Polignac number, because 223313323221 - 2¹⁷ = 223313192149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223313323201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2150136 + ... + 2251601.

It is an arithmetic number, because the mean of its divisors is an integer number (20688168600).

Almost surely, 2^223313323221 is an apocalyptic number.

It is an amenable number.

223313323221 is a deficient number, since it is larger than the sum of its proper divisors (107697374379).

223313323221 is a wasteful number, since it uses less digits than its factorization.

223313323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403625 (or 4403619 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 223313323221 its reverse (122323313322), we get a palindrome (345636636543).

The spelling of 223313323221 in words is "two hundred twenty-three billion, three hundred thirteen million, three hundred twenty-three thousand, two hundred twenty-one".