204223313 has 24 divisors (see below), whose sum is σ = 243399744. Its totient is φ = 167832000.

The previous prime is 204223291. The next prime is 204223333. The reversal of 204223313 is 313322402.

It is not a de Polignac number, because 204223313 - 2¹⁴ = 204206929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204223333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 967778 + ... + 967988.

It is an arithmetic number, because the mean of its divisors is an integer number (10141656).

Almost surely, 2^204223313 is an apocalyptic number.

It is an amenable number.

204223313 is a deficient number, since it is larger than the sum of its proper divisors (39176431).

204223313 is a wasteful number, since it uses less digits than its factorization.

204223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 204223313 is about 14290.6722375121. The cubic root of 204223313 is about 588.8912558440.

Adding to 204223313 its reverse (313322402), we get a palindrome (517545715).

The spelling of 204223313 in words is "two hundred four million, two hundred twenty-three thousand, three hundred thirteen".