11231130233 has 4 divisors (see below), whose sum is σ = 11234970240. Its totient is φ = 11227290228.

The previous prime is 11231130221. The next prime is 11231130241. The reversal of 11231130233 is 33203113211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33203113211 = 2357 ⋅14087023.

It is a cyclic number.

It is not a de Polignac number, because 11231130233 - 2¹⁰ = 11231129209 is a prime.

It is a super-2 number, since 2×11231130233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231130263) 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, 1915613 + ... + 1921466.

It is an arithmetic number, because the mean of its divisors is an integer number (2808742560).

Almost surely, 2^11231130233 is an apocalyptic number.

It is an amenable number.

11231130233 is a deficient number, since it is larger than the sum of its proper divisors (3840007).

11231130233 is an equidigital number, since it uses as much as digits as its factorization.

11231130233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840006.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11231130233 its reverse (33203113211), we get a palindrome (44434243444).

The spelling of 11231130233 in words is "eleven billion, two hundred thirty-one million, one hundred thirty thousand, two hundred thirty-three".