2143121724383 has 16 divisors (see below), whose sum is σ = 2157540797280. Its totient is φ = 2128755686400.

The previous prime is 2143121724377. The next prime is 2143121724431. The reversal of 2143121724383 is 3834271213412.

It is a cyclic number.

It is not a de Polignac number, because 2143121724383 - 2²⁴ = 2143104947167 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 2143121724383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143121724283) 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, 156185963 + ... + 156199683.

It is an arithmetic number, because the mean of its divisors is an integer number (134846299830).

Almost surely, 2^{2143121724383} is an apocalyptic number.

2143121724383 is a deficient number, since it is larger than the sum of its proper divisors (14419072897).

2143121724383 is a wasteful number, since it uses less digits than its factorization.

2143121724383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578.

The product of its digits is 193536, while the sum is 41.

Adding to 2143121724383 its reverse (3834271213412), we get a palindrome (5977392937795).

The spelling of 2143121724383 in words is "two trillion, one hundred forty-three billion, one hundred twenty-one million, seven hundred twenty-four thousand, three hundred eighty-three".