2141321423 has 4 divisors (see below), whose sum is σ = 2181723768. Its totient is φ = 2100919080.

The previous prime is 2141321389. The next prime is 2141321443. The reversal of 2141321423 is 3241231412.

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 2141321423 - 2¹⁰ = 2141320399 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 (2141321443) 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, 20201093 + ... + 20201198.

It is an arithmetic number, because the mean of its divisors is an integer number (545430942).

Almost surely, 2^2141321423 is an apocalyptic number.

2141321423 is a deficient number, since it is larger than the sum of its proper divisors (40402345).

2141321423 is an equidigital number, since it uses as much as digits as its factorization.

2141321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40402344.

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

The square root of 2141321423 is about 46274.4143452945. The cubic root of 2141321423 is about 1288.9239314709.

Adding to 2141321423 its reverse (3241231412), we get a palindrome (5382552835).

The spelling of 2141321423 in words is "two billion, one hundred forty-one million, three hundred twenty-one thousand, four hundred twenty-three".