2312123113 has 4 divisors (see below), whose sum is σ = 2318786640. Its totient is φ = 2305459588.

The previous prime is 2312123111. The next prime is 2312123117. The reversal of 2312123113 is 3113212132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2312123113 - 2¹ = 2312123111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312123111) 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, 3331243 + ... + 3331936.

It is an arithmetic number, because the mean of its divisors is an integer number (579696660).

Almost surely, 2^2312123113 is an apocalyptic number.

It is an amenable number.

2312123113 is a deficient number, since it is larger than the sum of its proper divisors (6663527).

2312123113 is an equidigital number, since it uses as much as digits as its factorization.

2312123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663526.

The product of its digits is 216, while the sum is 19.

The square root of 2312123113 is about 48084.5413100718. The cubic root of 2312123113 is about 1322.3212738704.

Adding to 2312123113 its reverse (3113212132), we get a palindrome (5425335245).

The spelling of 2312123113 in words is "two billion, three hundred twelve million, one hundred twenty-three thousand, one hundred thirteen".