123112322113 has 16 divisors (see below), whose sum is σ = 134707944960. Its totient is φ = 111584476800.

The previous prime is 123112322077. The next prime is 123112322141. The reversal of 123112322113 is 311223211321.

It is a cyclic number.

It is not a de Polignac number, because 123112322113 - 2¹³ = 123112313921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112322173) 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, 5069083 + ... + 5093311.

It is an arithmetic number, because the mean of its divisors is an integer number (8419246560).

Almost surely, 2^123112322113 is an apocalyptic number.

It is an amenable number.

123112322113 is a deficient number, since it is larger than the sum of its proper divisors (11595622847).

123112322113 is a wasteful number, since it uses less digits than its factorization.

123112322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25608.

The product of its digits is 432, while the sum is 22.

Adding to 123112322113 its reverse (311223211321), we get a palindrome (434335533434).

The spelling of 123112322113 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred twenty-two thousand, one hundred thirteen".