2141243123 has 4 divisors (see below), whose sum is σ = 2141362320. Its totient is φ = 2141123928.

The previous prime is 2141243113. The next prime is 2141243131. The reversal of 2141243123 is 3213421412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2141243123 - 2²⁸ = 1872807667 is a prime.

It is a super-2 number, since 2×2141243123² = 9169844223589586258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141243113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26540 + ... + 70617.

It is an arithmetic number, because the mean of its divisors is an integer number (535340580).

Almost surely, 2^2141243123 is an apocalyptic number.

2141243123 is a deficient number, since it is larger than the sum of its proper divisors (119197).

2141243123 is an equidigital number, since it uses as much as digits as its factorization.

2141243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119196.

The product of its digits is 1152, while the sum is 23.

The square root of 2141243123 is about 46273.5682976794. The cubic root of 2141243123 is about 1288.9082209268.

Adding to 2141243123 its reverse (3213421412), we get a palindrome (5354664535).

The spelling of 2141243123 in words is "two billion, one hundred forty-one million, two hundred forty-three thousand, one hundred twenty-three".