11142443323 has 4 divisors (see below), whose sum is σ = 12155392728. Its totient is φ = 10129493920.

The previous prime is 11142443281. The next prime is 11142443341. The reversal of 11142443323 is 32334424111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32334424111 = 11 ⋅2939493101.

It is a cyclic number.

It is not a de Polignac number, because 11142443323 - 2²⁵ = 11108888891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11142443291 and 11142443300.

It is not an unprimeable number, because it can be changed into a prime (11142443363) 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, 506474686 + ... + 506474707.

It is an arithmetic number, because the mean of its divisors is an integer number (3038848182).

Almost surely, 2^11142443323 is an apocalyptic number.

11142443323 is a deficient number, since it is larger than the sum of its proper divisors (1012949405).

11142443323 is a wasteful number, since it uses less digits than its factorization.

11142443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012949404.

The product of its digits is 6912, while the sum is 28.

Adding to 11142443323 its reverse (32334424111), we get a palindrome (43476867434).

The spelling of 11142443323 in words is "eleven billion, one hundred forty-two million, four hundred forty-three thousand, three hundred twenty-three".