13531004023 has 16 divisors (see below), whose sum is σ = 13731287040. Its totient is φ = 13332664800.

The previous prime is 13531003931. The next prime is 13531004051. The reversal of 13531004023 is 32040013531.

It is a cyclic number.

It is not a de Polignac number, because 13531004023 - 2²¹ = 13528906871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531003985 and 13531004003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531094023) 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, 14723158 + ... + 14724076.

It is an arithmetic number, because the mean of its divisors is an integer number (858205440).

Almost surely, 2^13531004023 is an apocalyptic number.

13531004023 is a deficient number, since it is larger than the sum of its proper divisors (200283017).

13531004023 is a wasteful number, since it uses less digits than its factorization.

13531004023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13531004023 its reverse (32040013531), we get a palindrome (45571017554).

The spelling of 13531004023 in words is "thirteen billion, five hundred thirty-one million, four thousand, twenty-three".