2321143123 has 4 divisors (see below), whose sum is σ = 2499692608. Its totient is φ = 2142593640.

The previous prime is 2321143079. The next prime is 2321143129. The reversal of 2321143123 is 3213411232.

2321143123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2321143123 - 2²⁹ = 1784272211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321143094 and 2321143103.

It is not an unprimeable number, because it can be changed into a prime (2321143129) 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, 89274723 + ... + 89274748.

It is an arithmetic number, because the mean of its divisors is an integer number (624923152).

Almost surely, 2^2321143123 is an apocalyptic number.

2321143123 is a deficient number, since it is larger than the sum of its proper divisors (178549485).

2321143123 is a wasteful number, since it uses less digits than its factorization.

2321143123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178549484.

The product of its digits is 864, while the sum is 22.

The square root of 2321143123 is about 48178.2432535683. The cubic root of 2321143123 is about 1324.0385806932.

Adding to 2321143123 its reverse (3213411232), we get a palindrome (5534554355).

The spelling of 2321143123 in words is "two billion, three hundred twenty-one million, one hundred forty-three thousand, one hundred twenty-three".