12207173523 has 16 divisors (see below), whose sum is σ = 17157724800. Its totient is φ = 7698611520.

The previous prime is 12207173513. The next prime is 12207173543. The reversal of 12207173523 is 32537170221.

It is not a de Polignac number, because 12207173523 - 2⁸ = 12207173267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12207173513) 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, 115578 + ... + 194351.

It is an arithmetic number, because the mean of its divisors is an integer number (1072357800).

Almost surely, 2^12207173523 is an apocalyptic number.

12207173523 is a deficient number, since it is larger than the sum of its proper divisors (4950551277).

12207173523 is a wasteful number, since it uses less digits than its factorization.

12207173523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310642.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 12207173523 in words is "twelve billion, two hundred seven million, one hundred seventy-three thousand, five hundred twenty-three".