13112321303123 has 16 divisors (see below), whose sum is σ = 14998625038080. Its totient is φ = 11229297451296.

The previous prime is 13112321303099. The next prime is 13112321303141. The reversal of 13112321303123 is 32130312321131.

It is a cyclic number.

It is not a de Polignac number, because 13112321303123 - 2⁸ = 13112321302867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112321303092 and 13112321303101.

It is not an unprimeable number, because it can be changed into a prime (13112321603123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180308336 + ... + 180381042.

It is an arithmetic number, because the mean of its divisors is an integer number (937414064880).

Almost surely, 2^{13112321303123} is an apocalyptic number.

13112321303123 is a deficient number, since it is larger than the sum of its proper divisors (1886303734957).

13112321303123 is a wasteful number, since it uses less digits than its factorization.

13112321303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94906.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13112321303123 its reverse (32130312321131), we get a palindrome (45242633624254).

The spelling of 13112321303123 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-one million, three hundred three thousand, one hundred twenty-three".