11441444123 has 4 divisors (see below), whose sum is σ = 11482161288. Its totient is φ = 11400726960.

The previous prime is 11441444117. The next prime is 11441444129. The reversal of 11441444123 is 32144414411.

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: 32144414411 = 709 ⋅45337679.

It is an interprime number because it is at equal distance from previous prime (11441444117) and next prime (11441444129).

It is a cyclic number.

It is not a de Polignac number, because 11441444123 - 2²⁴ = 11424666907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441444129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20358161 + ... + 20358722.

It is an arithmetic number, because the mean of its divisors is an integer number (2870540322).

Almost surely, 2^11441444123 is an apocalyptic number.

11441444123 is a deficient number, since it is larger than the sum of its proper divisors (40717165).

11441444123 is an equidigital number, since it uses as much as digits as its factorization.

11441444123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40717164.

The product of its digits is 6144, while the sum is 29.

Adding to 11441444123 its reverse (32144414411), we get a palindrome (43585858534).

The spelling of 11441444123 in words is "eleven billion, four hundred forty-one million, four hundred forty-four thousand, one hundred twenty-three".