12143103221223 has 20 divisors (see below), whose sum is σ = 19535058745048. Its totient is φ = 7472678904720.

The previous prime is 12143103221219. The next prime is 12143103221269. The reversal of 12143103221223 is 32212230134121.

12143103221223 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 310 + 322 + 1 + 2 + 23 = 666.

It is not a de Polignac number, because 12143103221223 - 2² = 12143103221219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143103221273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5765954893 + ... + 5765956998.

Almost surely, 2^{12143103221223} is an apocalyptic number.

12143103221223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12143103221223 is a deficient number, since it is larger than the sum of its proper divisors (7391955523825).

12143103221223 is a wasteful number, since it uses less digits than its factorization.

12143103221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531911916 (or 11531911907 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12143103221223 its reverse (32212230134121), we get a palindrome (44355333355344).

The spelling of 12143103221223 in words is "twelve trillion, one hundred forty-three billion, one hundred three million, two hundred twenty-one thousand, two hundred twenty-three".