12144241123223 has 4 divisors (see below), whose sum is σ = 13248263043528. Its totient is φ = 11040219202920.

The previous prime is 12144241123153. The next prime is 12144241123271. The reversal of 12144241123223 is 32232114244121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12144241123223 - 2⁸ = 12144241122967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12144241123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144241125223) 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, 552010960136 + ... + 552010960157.

It is an arithmetic number, because the mean of its divisors is an integer number (3312065760882).

Almost surely, 2^{12144241123223} is an apocalyptic number.

12144241123223 is a deficient number, since it is larger than the sum of its proper divisors (1104021920305).

12144241123223 is a wasteful number, since it uses less digits than its factorization.

12144241123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104021920304.

The product of its digits is 18432, while the sum is 32.

Adding to 12144241123223 its reverse (32232114244121), we get a palindrome (44376355367344).

The spelling of 12144241123223 in words is "twelve trillion, one hundred forty-four billion, two hundred forty-one million, one hundred twenty-three thousand, two hundred twenty-three".