2321243123 has 12 divisors (see below), whose sum is σ = 2376887760. Its totient is φ = 2266681536.

The previous prime is 2321243083. The next prime is 2321243159. The reversal of 2321243123 is 3213421232.

It is not a de Polignac number, because 2321243123 - 2⁶ = 2321243059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321248123) 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 11 ways as a sum of consecutive naturals, for example, 546773 + ... + 551001.

It is an arithmetic number, because the mean of its divisors is an integer number (198073980).

Almost surely, 2^2321243123 is an apocalyptic number.

2321243123 is a deficient number, since it is larger than the sum of its proper divisors (55644637).

2321243123 is an equidigital number, since it uses as much as digits as its factorization.

2321243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478 (or 4405 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 2321243123 is about 48179.2810552420. The cubic root of 2321243123 is about 1324.0575945942.

Adding to 2321243123 its reverse (3213421232), we get a palindrome (5534664355).

The spelling of 2321243123 in words is "two billion, three hundred twenty-one million, two hundred forty-three thousand, one hundred twenty-three".