223440011 has 4 divisors (see below), whose sum is σ = 227103024. Its totient is φ = 219777000.

The previous prime is 223440001. The next prime is 223440043. The reversal of 223440011 is 110044322.

223440011 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.

It is a cyclic number.

It is not a de Polignac number, because 223440011 - 2⁶ = 223439947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223440001) 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, 1831415 + ... + 1831536.

It is an arithmetic number, because the mean of its divisors is an integer number (56775756).

Almost surely, 2^223440011 is an apocalyptic number.

223440011 is a deficient number, since it is larger than the sum of its proper divisors (3663013).

223440011 is an equidigital number, since it uses as much as digits as its factorization.

223440011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663012.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223440011 is about 14947.9099207883. The cubic root of 223440011 is about 606.8112838358.

Adding to 223440011 its reverse (110044322), we get a palindrome (333484333).

The spelling of 223440011 in words is "two hundred twenty-three million, four hundred forty thousand, eleven".