2012135023 has 2 divisors, whose sum is σ = 2012135024. Its totient is φ = 2012135022.

The previous prime is 2012135009. The next prime is 2012135039. The reversal of 2012135023 is 3205312102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012135023 - 2²¹ = 2010037871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012135123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006067511 + 1006067512.

It is an arithmetic number, because the mean of its divisors is an integer number (1006067512).

Almost surely, 2^2012135023 is an apocalyptic number.

2012135023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012135023 is an equidigital number, since it uses as much as digits as its factorization.

2012135023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2012135023 is about 44856.8280532630. The cubic root of 2012135023 is about 1262.4641086160.

Adding to 2012135023 its reverse (3205312102), we get a palindrome (5217447125).

The spelling of 2012135023 in words is "two billion, twelve million, one hundred thirty-five thousand, twenty-three".