12523365065 has 8 divisors (see below), whose sum is σ = 15168487680. Its totient is φ = 9925058992.

The previous prime is 12523365031. The next prime is 12523365067. The reversal of 12523365065 is 56056332521.

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 12523365065 - 2²² = 12519170761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12523365067) 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, 11703545 + ... + 11704614.

It is an arithmetic number, because the mean of its divisors is an integer number (1896060960).

Almost surely, 2^12523365065 is an apocalyptic number.

It is an amenable number.

12523365065 is a deficient number, since it is larger than the sum of its proper divisors (2645122615).

12523365065 is a wasteful number, since it uses less digits than its factorization.

12523365065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23408271.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 12523365065 its reverse (56056332521), we get a palindrome (68579697586).

The spelling of 12523365065 in words is "twelve billion, five hundred twenty-three million, three hundred sixty-five thousand, sixty-five".