11131233223 has 6 divisors (see below), whose sum is σ = 12235157312. Its totient is φ = 10119302820.

The previous prime is 11131233221. The next prime is 11131233283. The reversal of 11131233223 is 32233213111.

It is not a de Polignac number, because 11131233223 - 2¹ = 11131233221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131233194 and 11131233203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131233221) 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 5 ways as a sum of consecutive naturals, for example, 45996711 + ... + 45996952.

Almost surely, 2^11131233223 is an apocalyptic number.

11131233223 is a deficient number, since it is larger than the sum of its proper divisors (1103924089).

11131233223 is an equidigital number, since it uses as much as digits as its factorization.

11131233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91993685 (or 91993674 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 11131233223 its reverse (32233213111), we get a palindrome (43364446334).

The spelling of 11131233223 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-three".