11443443123 has 16 divisors (see below), whose sum is σ = 18038926080. Its totient is φ = 6313623456.

The previous prime is 11443443103. The next prime is 11443443133. The reversal of 11443443123 is 32134434411.

It is not a de Polignac number, because 11443443123 - 2⁵ = 11443443091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11443443103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9394665 + ... + 9395882.

It is an arithmetic number, because the mean of its divisors is an integer number (1127432880).

Almost surely, 2^11443443123 is an apocalyptic number.

11443443123 is a deficient number, since it is larger than the sum of its proper divisors (6595482957).

11443443123 is a wasteful number, since it uses less digits than its factorization.

11443443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18790586.

The product of its digits is 13824, while the sum is 30.

Adding to 11443443123 its reverse (32134434411), we get a palindrome (43577877534).

The spelling of 11443443123 in words is "eleven billion, four hundred forty-three million, four hundred forty-three thousand, one hundred twenty-three".