123110100313 has 4 divisors (see below), whose sum is σ = 123216875188. Its totient is φ = 123003325440.

The previous prime is 123110100287. The next prime is 123110100341. The reversal of 123110100313 is 313001011321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313001011321 = 881 ⋅355279241.

It can be written as a sum of positive squares in 2 ways, for example, as 96027473689 + 27082626624 = 309883^2 + 164568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123110100313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123110100713) 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, 53385708 + ... + 53388013.

It is an arithmetic number, because the mean of its divisors is an integer number (30804218797).

Almost surely, 2^123110100313 is an apocalyptic number.

It is an amenable number.

123110100313 is a deficient number, since it is larger than the sum of its proper divisors (106774875).

123110100313 is a wasteful number, since it uses less digits than its factorization.

123110100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106774874.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 123110100313 its reverse (313001011321), we get a palindrome (436111111634).

The spelling of 123110100313 in words is "one hundred twenty-three billion, one hundred ten million, one hundred thousand, three hundred thirteen".