11323320043 has 4 divisors (see below), whose sum is σ = 12940937200. Its totient is φ = 9705702888.

The previous prime is 11323320031. The next prime is 11323320053. The reversal of 11323320043 is 34002332311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11323320043 - 2³³ = 2733385451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323319996 and 11323320023.

It is not an unprimeable number, because it can be changed into a prime (11323320013) 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, 808808568 + ... + 808808581.

It is an arithmetic number, because the mean of its divisors is an integer number (3235234300).

Almost surely, 2^11323320043 is an apocalyptic number.

11323320043 is a deficient number, since it is larger than the sum of its proper divisors (1617617157).

11323320043 is an equidigital number, since it uses as much as digits as its factorization.

11323320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617617156.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 11323320043 its reverse (34002332311), we get a palindrome (45325652354).

The spelling of 11323320043 in words is "eleven billion, three hundred twenty-three million, three hundred twenty thousand, forty-three".