2012230331023 has 4 divisors (see below), whose sum is σ = 2195160361128. Its totient is φ = 1829300300920.

The previous prime is 2012230331011. The next prime is 2012230331039. The reversal of 2012230331023 is 3201330322102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012230331023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012230330985 and 2012230331003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012230311023) 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, 91465015036 + ... + 91465015057.

It is an arithmetic number, because the mean of its divisors is an integer number (548790090282).

Almost surely, 2^{2012230331023} is an apocalyptic number.

2012230331023 is a deficient number, since it is larger than the sum of its proper divisors (182930030105).

2012230331023 is a wasteful number, since it uses less digits than its factorization.

2012230331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182930030104.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2012230331023 its reverse (3201330322102), we get a palindrome (5213560653125).

The spelling of 2012230331023 in words is "two trillion, twelve billion, two hundred thirty million, three hundred thirty-one thousand, twenty-three".