13313220100123 has 4 divisors (see below), whose sum is σ = 13314980882728. Its totient is φ = 13311459317520.

The previous prime is 13313220100109. The next prime is 13313220100127. The reversal of 13313220100123 is 32100102231331.

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 13313220100123 - 2¹⁷ = 13313219969051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13313220100094 and 13313220100103.

It is not an unprimeable number, because it can be changed into a prime (13313220100127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880379961 + ... + 880395082.

It is an arithmetic number, because the mean of its divisors is an integer number (3328745220682).

Almost surely, 2^{13313220100123} is an apocalyptic number.

13313220100123 is a deficient number, since it is larger than the sum of its proper divisors (1760782605).

13313220100123 is an equidigital number, since it uses as much as digits as its factorization.

13313220100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760782604.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13313220100123 its reverse (32100102231331), we get a palindrome (45413322331454).

The spelling of 13313220100123 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty million, one hundred thousand, one hundred twenty-three".