2124131323 has 4 divisors (see below), whose sum is σ = 2124242848. Its totient is φ = 2124019800.

The previous prime is 2124131311. The next prime is 2124131413. The reversal of 2124131323 is 3231314212.

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 a de Polignac number, because none of the positive numbers 2^k-2124131323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124131294 and 2124131303.

It is not an unprimeable number, because it can be changed into a prime (2124134323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19203 + ... + 67948.

It is an arithmetic number, because the mean of its divisors is an integer number (531060712).

Almost surely, 2^2124131323 is an apocalyptic number.

2124131323 is a deficient number, since it is larger than the sum of its proper divisors (111525).

2124131323 is an equidigital number, since it uses as much as digits as its factorization.

2124131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111524.

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

The square root of 2124131323 is about 46088.2991983866. The cubic root of 2124131323 is about 1285.4655861051.

Adding to 2124131323 its reverse (3231314212), we get a palindrome (5355445535).

The spelling of 2124131323 in words is "two billion, one hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-three".