2012102023 has 4 divisors (see below), whose sum is σ = 2020737888. Its totient is φ = 2003466160.

The previous prime is 2012102003. The next prime is 2012102039. The reversal of 2012102023 is 3202012102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012102023 - 2¹⁷ = 2011970951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012101994 and 2012102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012102003) 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, 4317583 + ... + 4318048.

It is an arithmetic number, because the mean of its divisors is an integer number (505184472).

Almost surely, 2^2012102023 is an apocalyptic number.

2012102023 is a deficient number, since it is larger than the sum of its proper divisors (8635865).

2012102023 is an equidigital number, since it uses as much as digits as its factorization.

2012102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635864.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2012102023 is about 44856.4602147784. The cubic root of 2012102023 is about 1262.4572069016.

Adding to 2012102023 its reverse (3202012102), we get a palindrome (5214114125).

The spelling of 2012102023 in words is "two billion, twelve million, one hundred two thousand, twenty-three".