12523111113 has 8 divisors (see below), whose sum is σ = 16698079008. Its totient is φ = 8348441984.

The previous prime is 12523111067. The next prime is 12523111171. The reversal of 12523111113 is 31111132521.

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 12523111113 - 2⁸ = 12523110857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12523111113.

It is not an unprimeable number, because it can be changed into a prime (12525111113) 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, 55570 + ... + 167732.

It is an arithmetic number, because the mean of its divisors is an integer number (2087259876).

Almost surely, 2^12523111113 is an apocalyptic number.

It is an amenable number.

12523111113 is a deficient number, since it is larger than the sum of its proper divisors (4174967895).

12523111113 is a wasteful number, since it uses less digits than its factorization.

12523111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149383.

The product of its digits is 180, while the sum is 21.

Adding to 12523111113 its reverse (31111132521), we get a palindrome (43634243634).

The spelling of 12523111113 in words is "twelve billion, five hundred twenty-three million, one hundred eleven thousand, one hundred thirteen".