2012313123 has 12 divisors (see below), whose sum is σ = 3059657640. Its totient is φ = 1270934496.

The previous prime is 2012313089. The next prime is 2012313143. The reversal of 2012313123 is 3213132102.

It is not a de Polignac number, because 2012313123 - 2¹⁸ = 2012050979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012313096 and 2012313105.

It is not an unprimeable number, because it can be changed into a prime (2012313143) 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, 5883786 + ... + 5884127.

It is an arithmetic number, because the mean of its divisors is an integer number (254971470).

Almost surely, 2^2012313123 is an apocalyptic number.

2012313123 is a deficient number, since it is larger than the sum of its proper divisors (1047344517).

2012313123 is a wasteful number, since it uses less digits than its factorization.

2012313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767938 (or 11767935 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2012313123 is about 44858.8132143506. The cubic root of 2012313123 is about 1262.5013556565.

Adding to 2012313123 its reverse (3213132102), we get a palindrome (5225445225).

The spelling of 2012313123 in words is "two billion, twelve million, three hundred thirteen thousand, one hundred twenty-three".