11440023233 has 4 divisors (see below), whose sum is σ = 11440324608. Its totient is φ = 11439721860.

The previous prime is 11440023187. The next prime is 11440023239. The reversal of 11440023233 is 33232004411.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11440023233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11440023199 and 11440023208.

It is not an unprimeable number, because it can be changed into a prime (11440023239) 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, 83873 + ... + 172958.

It is an arithmetic number, because the mean of its divisors is an integer number (2860081152).

Almost surely, 2^11440023233 is an apocalyptic number.

It is an amenable number.

11440023233 is a deficient number, since it is larger than the sum of its proper divisors (301375).

11440023233 is an equidigital number, since it uses as much as digits as its factorization.

11440023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301374.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11440023233 its reverse (33232004411), we get a palindrome (44672027644).

The spelling of 11440023233 in words is "eleven billion, four hundred forty million, twenty-three thousand, two hundred thirty-three".