13201313123 has 4 divisors (see below), whose sum is σ = 13253908248. Its totient is φ = 13148718000.

The previous prime is 13201313117. The next prime is 13201313131. The reversal of 13201313123 is 32131310231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13201313123 - 2¹⁸ = 13201050979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13201313095 and 13201313104.

It is not an unprimeable number, because it can be changed into a prime (13201313623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26297186 + ... + 26297687.

It is an arithmetic number, because the mean of its divisors is an integer number (3313477062).

Almost surely, 2^13201313123 is an apocalyptic number.

13201313123 is a deficient number, since it is larger than the sum of its proper divisors (52595125).

13201313123 is an equidigital number, since it uses as much as digits as its factorization.

13201313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52595124.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13201313123 its reverse (32131310231), we get a palindrome (45332623354).

The spelling of 13201313123 in words is "thirteen billion, two hundred one million, three hundred thirteen thousand, one hundred twenty-three".