2123143131 has 8 divisors (see below), whose sum is σ = 2837780560. Its totient is φ = 1411967232.

The previous prime is 2123143117. The next prime is 2123143147. The reversal of 2123143131 is 1313413212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123143131 - 2¹⁰ = 2123142107 is a prime.

It is a super-2 number, since 2×2123143131² = 9015473509424966322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123143098 and 2123143107.

It is not an unprimeable number, because it can be changed into a prime (2123143151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863950 + ... + 866403.

It is an arithmetic number, because the mean of its divisors is an integer number (354722570).

Almost surely, 2^2123143131 is an apocalyptic number.

2123143131 is a deficient number, since it is larger than the sum of its proper divisors (714637429).

2123143131 is a wasteful number, since it uses less digits than its factorization.

2123143131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730765.

The product of its digits is 432, while the sum is 21.

The square root of 2123143131 is about 46077.5773126149. The cubic root of 2123143131 is about 1285.2662130196.

Adding to 2123143131 its reverse (1313413212), we get a palindrome (3436556343).

The spelling of 2123143131 in words is "two billion, one hundred twenty-three million, one hundred forty-three thousand, one hundred thirty-one".