11212330223 has 4 divisors (see below), whose sum is σ = 11215192248. Its totient is φ = 11209468200.

The previous prime is 11212330189. The next prime is 11212330247. The reversal of 11212330223 is 32203321211.

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 11212330223 - 2⁶ = 11212330159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212330195 and 11212330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212332223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425128 + ... + 1432973.

It is an arithmetic number, because the mean of its divisors is an integer number (2803798062).

Almost surely, 2^11212330223 is an apocalyptic number.

11212330223 is a deficient number, since it is larger than the sum of its proper divisors (2862025).

11212330223 is an equidigital number, since it uses as much as digits as its factorization.

11212330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862024.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11212330223 its reverse (32203321211), we get a palindrome (43415651434).

The spelling of 11212330223 in words is "eleven billion, two hundred twelve million, three hundred thirty thousand, two hundred twenty-three".