2123144143 has 4 divisors (see below), whose sum is σ = 2196356040. Its totient is φ = 2049932248.

The previous prime is 2123144141. The next prime is 2123144167. The reversal of 2123144143 is 3414413212.

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 2123144143 - 2¹ = 2123144141 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 (2123144141) 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, 36605905 + ... + 36605962.

It is an arithmetic number, because the mean of its divisors is an integer number (549089010).

Almost surely, 2^2123144143 is an apocalyptic number.

2123144143 is a deficient number, since it is larger than the sum of its proper divisors (73211897).

2123144143 is an equidigital number, since it uses as much as digits as its factorization.

2123144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73211896.

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

The square root of 2123144143 is about 46077.5882940937. The cubic root of 2123144143 is about 1285.2664172277.

Adding to 2123144143 its reverse (3414413212), we get a palindrome (5537557355).

The spelling of 2123144143 in words is "two billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred forty-three".