12523036165 has 16 divisors (see below), whose sum is σ = 15097648320. Its totient is φ = 9971839360.

The previous prime is 12523036133. The next prime is 12523036171. The reversal of 12523036165 is 56163032521.

It is not a de Polignac number, because 12523036165 - 2⁵ = 12523036133 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12523036165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427322 + ... + 1436068.

It is an arithmetic number, because the mean of its divisors is an integer number (943603020).

Almost surely, 2^12523036165 is an apocalyptic number.

It is an amenable number.

12523036165 is a deficient number, since it is larger than the sum of its proper divisors (2574612155).

12523036165 is a wasteful number, since it uses less digits than its factorization.

12523036165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 12523036165 its reverse (56163032521), we get a palindrome (68686068686).

The spelling of 12523036165 in words is "twelve billion, five hundred twenty-three million, thirty-six thousand, one hundred sixty-five".