223240313 has 4 divisors (see below), whose sum is σ = 223699200. Its totient is φ = 222781428.

The previous prime is 223240307. The next prime is 223240319. The reversal of 223240313 is 313042322.

223240313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223240307) and next prime (223240319).

It is a cyclic number.

It is not a de Polignac number, because 223240313 - 2⁶ = 223240249 is a prime.

It is a super-3 number, since 3×223240313³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223240319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228713 + ... + 229686.

It is an arithmetic number, because the mean of its divisors is an integer number (55924800).

Almost surely, 2^223240313 is an apocalyptic number.

It is an amenable number.

223240313 is a deficient number, since it is larger than the sum of its proper divisors (458887).

223240313 is an equidigital number, since it uses as much as digits as its factorization.

223240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458886.

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

The square root of 223240313 is about 14941.2286308724. The cubic root of 223240313 is about 606.6304521245.

Adding to 223240313 its reverse (313042322), we get a palindrome (536282635).

The spelling of 223240313 in words is "two hundred twenty-three million, two hundred forty thousand, three hundred thirteen".