13012135023 has 8 divisors (see below), whose sum is σ = 18103840128. Its totient is φ = 8297593304.

The previous prime is 13012135001. The next prime is 13012135033. The reversal of 13012135023 is 32053121031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13012135023 - 2⁸ = 13012134767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012135033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94290765 + ... + 94290902.

It is an arithmetic number, because the mean of its divisors is an integer number (2262980016).

Almost surely, 2^13012135023 is an apocalyptic number.

13012135023 is a deficient number, since it is larger than the sum of its proper divisors (5091705105).

13012135023 is a wasteful number, since it uses less digits than its factorization.

13012135023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188581693.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13012135023 its reverse (32053121031), we get a palindrome (45065256054).

The spelling of 13012135023 in words is "thirteen billion, twelve million, one hundred thirty-five thousand, twenty-three".