12142143223 has 16 divisors (see below), whose sum is σ = 14696709120. Its totient is φ = 9792878976.

The previous prime is 12142143203. The next prime is 12142143241. The reversal of 12142143223 is 32234124121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12142143223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142143203) 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, 574990 + ... + 595732.

It is an arithmetic number, because the mean of its divisors is an integer number (918544320).

Almost surely, 2^12142143223 is an apocalyptic number.

12142143223 is a deficient number, since it is larger than the sum of its proper divisors (2554565897).

12142143223 is a wasteful number, since it uses less digits than its factorization.

12142143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686.

The product of its digits is 2304, while the sum is 25.

Adding to 12142143223 its reverse (32234124121), we get a palindrome (44376267344).

The spelling of 12142143223 in words is "twelve billion, one hundred forty-two million, one hundred forty-three thousand, two hundred twenty-three".