11000223 has 24 divisors (see below), whose sum is σ = 17253600. Its totient is φ = 6713280.

The previous prime is 11000189. The next prime is 11000273. The reversal of 11000223 is 32200011.

It is a happy number.

It is not a de Polignac number, because 11000223 - 2⁶ = 11000159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000273) 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, 17118 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (718900).

Almost surely, 2^11000223 is an apocalyptic number.

11000223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11000223 is a deficient number, since it is larger than the sum of its proper divisors (6253377).

11000223 is a wasteful number, since it uses less digits than its factorization.

11000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11000223 is about 3316.6584086999. The cubic root of 11000223 is about 222.3995119182.

Adding to 11000223 its reverse (32200011), we get a palindrome (43200234).

The spelling of 11000223 in words is "eleven million, two hundred twenty-three", and thus it is an aban number.