2143141123 has 4 divisors (see below), whose sum is σ = 2143651888. Its totient is φ = 2142630360.

The previous prime is 2143141111. The next prime is 2143141141. The reversal of 2143141123 is 3211413412.

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 2143141123 - 2⁹ = 2143140611 is a prime.

It is a super-2 number, since 2×2143141123² = 9186107746187402258, 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 = 2143141094 and 2143141103.

It is not an unprimeable number, because it can be changed into a prime (2143141153) 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, 249036 + ... + 257497.

It is an arithmetic number, because the mean of its divisors is an integer number (535912972).

Almost surely, 2^2143141123 is an apocalyptic number.

2143141123 is a deficient number, since it is larger than the sum of its proper divisors (510765).

2143141123 is an equidigital number, since it uses as much as digits as its factorization.

2143141123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510764.

The product of its digits is 576, while the sum is 22.

The square root of 2143141123 is about 46294.0722231259. The cubic root of 2143141123 is about 1289.2889382957.

Adding to 2143141123 its reverse (3211413412), we get a palindrome (5354554535).

The spelling of 2143141123 in words is "two billion, one hundred forty-three million, one hundred forty-one thousand, one hundred twenty-three".