13113012312123 has 16 divisors (see below), whose sum is σ = 18512587389600. Its totient is φ = 8227728244736.

The previous prime is 13113012312119. The next prime is 13113012312173. The reversal of 13113012312123 is 32121321031131.

It is a cyclic number.

It is not a de Polignac number, because 13113012312123 - 2² = 13113012312119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13113012312093 and 13113012312102.

It is not an unprimeable number, because it can be changed into a prime (13113012312173) 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, 10734811 + ... + 11893787.

It is an arithmetic number, because the mean of its divisors is an integer number (1157036711850).

Almost surely, 2^{13113012312123} is an apocalyptic number.

13113012312123 is a deficient number, since it is larger than the sum of its proper divisors (5399575077477).

13113012312123 is a wasteful number, since it uses less digits than its factorization.

13113012312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380846.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13113012312123 its reverse (32121321031131), we get a palindrome (45234333343254).

The spelling of 13113012312123 in words is "thirteen trillion, one hundred thirteen billion, twelve million, three hundred twelve thousand, one hundred twenty-three".