11223120233 has 4 divisors (see below), whose sum is σ = 12086437188. Its totient is φ = 10359803280.

The previous prime is 11223120217. The next prime is 11223120239. The reversal of 11223120233 is 33202132211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33202132211 = 4789 ⋅6932999.

It can be written as a sum of positive squares in 2 ways, for example, as 1429444864 + 9793675369 = 37808^2 + 98963^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223120233 - 2⁴ = 11223120217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223120239) 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, 431658458 + ... + 431658483.

It is an arithmetic number, because the mean of its divisors is an integer number (3021609297).

Almost surely, 2^11223120233 is an apocalyptic number.

11223120233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11223120233 is a deficient number, since it is larger than the sum of its proper divisors (863316955).

11223120233 is an equidigital number, since it uses as much as digits as its factorization.

11223120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863316954.

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

Adding to 11223120233 its reverse (33202132211), we get a palindrome (44425252444).

The spelling of 11223120233 in words is "eleven billion, two hundred twenty-three million, one hundred twenty thousand, two hundred thirty-three".