2312323320121 has 16 divisors (see below), whose sum is σ = 2430828748800. Its totient is φ = 2195339374800.

The previous prime is 2312323320113. The next prime is 2312323320137. The reversal of 2312323320121 is 1210233232132.

It is a cyclic number.

It is not a de Polignac number, because 2312323320121 - 2³ = 2312323320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312323320191) 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 15 ways as a sum of consecutive naturals, for example, 3975280 + ... + 4519678.

It is an arithmetic number, because the mean of its divisors is an integer number (151926796800).

Almost surely, 2^{2312323320121} is an apocalyptic number.

It is an amenable number.

2312323320121 is a deficient number, since it is larger than the sum of its proper divisors (118505428679).

2312323320121 is a wasteful number, since it uses less digits than its factorization.

2312323320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545796.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2312323320121 its reverse (1210233232132), we get a palindrome (3522556552253).

The spelling of 2312323320121 in words is "two trillion, three hundred twelve billion, three hundred twenty-three million, three hundred twenty thousand, one hundred twenty-one".