2012123323 has 16 divisors (see below), whose sum is σ = 2364500160. Its totient is φ = 1676578176.

The previous prime is 2012123279. The next prime is 2012123341. The reversal of 2012123323 is 3233212102.

It is a de Polignac number, because none of the positive numbers 2^k-2012123323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012123323.

It is not an unprimeable number, because it can be changed into a prime (2012123923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15561 + ... + 65317.

It is an arithmetic number, because the mean of its divisors is an integer number (147781260).

Almost surely, 2^2012123323 is an apocalyptic number.

2012123323 is a deficient number, since it is larger than the sum of its proper divisors (352376837).

2012123323 is a wasteful number, since it uses less digits than its factorization.

2012123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49926.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2012123323 is about 44856.6976381454. The cubic root of 2012123323 is about 1262.4616616532.

Adding to 2012123323 its reverse (3233212102), we get a palindrome (5245335425).

The spelling of 2012123323 in words is "two billion, twelve million, one hundred twenty-three thousand, three hundred twenty-three".