2331312323 has 4 divisors (see below), whose sum is σ = 2468448360. Its totient is φ = 2194176288.

The previous prime is 2331312307. The next prime is 2331312337. The reversal of 2331312323 is 3232131332.

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 2331312323 - 2⁴ = 2331312307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331317323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68567993 + ... + 68568026.

It is an arithmetic number, because the mean of its divisors is an integer number (617112090).

Almost surely, 2^2331312323 is an apocalyptic number.

2331312323 is a deficient number, since it is larger than the sum of its proper divisors (137136037).

2331312323 is a wasteful number, since it uses less digits than its factorization.

2331312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137136036.

The product of its digits is 1944, while the sum is 23.

The square root of 2331312323 is about 48283.6651777804. The cubic root of 2331312323 is about 1325.9693531739.

Adding to 2331312323 its reverse (3232131332), we get a palindrome (5563443655).

The spelling of 2331312323 in words is "two billion, three hundred thirty-one million, three hundred twelve thousand, three hundred twenty-three".