223023313 has 12 divisors (see below), whose sum is σ = 230172124. Its totient is φ = 216086400.

The previous prime is 223023299. The next prime is 223023337. The reversal of 223023313 is 313320322.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 68095504 + 154927809 = 8252^2 + 12447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223023313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223023343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303895 + ... + 304627.

Almost surely, 2^223023313 is an apocalyptic number.

It is an amenable number.

223023313 is a deficient number, since it is larger than the sum of its proper divisors (7148811).

223023313 is an equidigital number, since it uses as much as digits as its factorization.

223023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 223023313 is about 14933.9650796431. The cubic root of 223023313 is about 606.4338307013.

Adding to 223023313 its reverse (313320322), we get a palindrome (536343635).

The spelling of 223023313 in words is "two hundred twenty-three million, twenty-three thousand, three hundred thirteen".