11323443505 has 8 divisors (see below), whose sum is σ = 14823417024. Its totient is φ = 8235231600.

The previous prime is 11323443503. The next prime is 11323443511. The reversal of 11323443505 is 50534432311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11323443505 - 2¹ = 11323443503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11323443503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102940341 + ... + 102940450.

It is an arithmetic number, because the mean of its divisors is an integer number (1852927128).

Almost surely, 2^11323443505 is an apocalyptic number.

It is an amenable number.

11323443505 is a deficient number, since it is larger than the sum of its proper divisors (3499973519).

11323443505 is a wasteful number, since it uses less digits than its factorization.

11323443505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205880807.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 11323443505 its reverse (50534432311), we get a palindrome (61857875816).

The spelling of 11323443505 in words is "eleven billion, three hundred twenty-three million, four hundred forty-three thousand, five hundred five".