1144123142223 has 16 divisors (see below), whose sum is σ = 1529344005120. Its totient is φ = 760827918816.

The previous prime is 1144123142191. The next prime is 1144123142231. The reversal of 1144123142223 is 3222413214411.

It is a happy number.

It is not a de Polignac number, because 1144123142223 - 2⁵ = 1144123142191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144123143223) 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, 1614261 + ... + 2212257.

It is an arithmetic number, because the mean of its divisors is an integer number (95584000320).

Almost surely, 2^{1144123142223} is an apocalyptic number.

1144123142223 is a deficient number, since it is larger than the sum of its proper divisors (385220862897).

1144123142223 is an equidigital number, since it uses as much as digits as its factorization.

1144123142223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599606.

The product of its digits is 9216, while the sum is 30.

Adding to 1144123142223 its reverse (3222413214411), we get a palindrome (4366536356634).

The spelling of 1144123142223 in words is "one trillion, one hundred forty-four billion, one hundred twenty-three million, one hundred forty-two thousand, two hundred twenty-three".