11321142343 has 64 divisors (see below), whose sum is σ = 14388756480. Its totient is φ = 8692012800.

The previous prime is 11321142337. The next prime is 11321142353. The reversal of 11321142343 is 34324112311.

11321142343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11321142343 - 2²⁵ = 11287587911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321142353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41775298 + ... + 41775568.

It is an arithmetic number, because the mean of its divisors is an integer number (224824320).

Almost surely, 2^11321142343 is an apocalyptic number.

11321142343 is a deficient number, since it is larger than the sum of its proper divisors (3067614137).

11321142343 is a wasteful number, since it uses less digits than its factorization.

11321142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 1728, while the sum is 25.

Adding to 11321142343 its reverse (34324112311), we get a palindrome (45645254654).

It can be divided in two parts, 11321 and 142343, that added together give a square (153664 = 392²).

The spelling of 11321142343 in words is "eleven billion, three hundred twenty-one million, one hundred forty-two thousand, three hundred forty-three".