12531016265423 has 8 divisors (see below), whose sum is σ = 12555049732800. Its totient is φ = 12506986012320.

The previous prime is 12531016265413. The next prime is 12531016265429. The reversal of 12531016265423 is 32456261013521.

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 12531016265423 - 2¹⁴ = 12531016249039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531016265429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074986 + ... + 8667032.

It is an arithmetic number, because the mean of its divisors is an integer number (1569381216600).

Almost surely, 2^{12531016265423} is an apocalyptic number.

12531016265423 is a deficient number, since it is larger than the sum of its proper divisors (24033467377).

12531016265423 is a wasteful number, since it uses less digits than its factorization.

12531016265423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607137.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 12531016265423 its reverse (32456261013521), we get a palindrome (44987277278944).

The spelling of 12531016265423 in words is "twelve trillion, five hundred thirty-one billion, sixteen million, two hundred sixty-five thousand, four hundred twenty-three".