11743321173 has 4 divisors (see below), whose sum is σ = 15657761568. Its totient is φ = 7828880780.

The previous prime is 11743321157. The next prime is 11743321211. The reversal of 11743321173 is 37112334711.

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 not a de Polignac number, because 11743321173 - 2⁴ = 11743321157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11743321873) 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, 1957220193 + ... + 1957220198.

It is an arithmetic number, because the mean of its divisors is an integer number (3914440392).

Almost surely, 2^11743321173 is an apocalyptic number.

It is an amenable number.

11743321173 is a deficient number, since it is larger than the sum of its proper divisors (3914440395).

11743321173 is an equidigital number, since it uses as much as digits as its factorization.

11743321173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914440394.

The product of its digits is 10584, while the sum is 33.

Adding to 11743321173 its reverse (37112334711), we get a palindrome (48855655884).

The spelling of 11743321173 in words is "eleven billion, seven hundred forty-three million, three hundred twenty-one thousand, one hundred seventy-three".