123112113 has 8 divisors (see below), whose sum is σ = 173805408. Its totient is φ = 77246784.

The previous prime is 123112103. The next prime is 123112151. The reversal of 123112113 is 311211321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123112113 - 2⁵ = 123112081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123112092 and 123112101.

It is not an unprimeable number, because it can be changed into a prime (123112103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206931 + ... + 1207032.

It is an arithmetic number, because the mean of its divisors is an integer number (21725676).

Almost surely, 2^123112113 is an apocalyptic number.

It is an amenable number.

123112113 is a deficient number, since it is larger than the sum of its proper divisors (50693295).

123112113 is a wasteful number, since it uses less digits than its factorization.

123112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413983.

The product of its digits is 36, while the sum is 15.

The square root of 123112113 is about 11095.5897995555. The cubic root of 123112113 is about 497.4700375043.

Adding to 123112113 its reverse (311211321), we get a palindrome (434323434).

The spelling of 123112113 in words is "one hundred twenty-three million, one hundred twelve thousand, one hundred thirteen".