2012042342323 has 16 divisors (see below), whose sum is σ = 2177759465280. Its totient is φ = 1847909441664.

The previous prime is 2012042342309. The next prime is 2012042342377. The reversal of 2012042342323 is 3232432402102.

It is not a de Polignac number, because 2012042342323 - 2³⁷ = 1874603388851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012042342291 and 2012042342300.

It is not an unprimeable number, because it can be changed into a prime (2012042352323) 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, 1904058 + ... + 2765776.

It is an arithmetic number, because the mean of its divisors is an integer number (136109966580).

Almost surely, 2^{2012042342323} is an apocalyptic number.

2012042342323 is a deficient number, since it is larger than the sum of its proper divisors (165717122957).

2012042342323 is a wasteful number, since it uses less digits than its factorization.

2012042342323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862638.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2012042342323 its reverse (3232432402102), we get a palindrome (5244474744425).

The spelling of 2012042342323 in words is "two trillion, twelve billion, forty-two million, three hundred forty-two thousand, three hundred twenty-three".