113123113 has 8 divisors (see below), whose sum is σ = 117623880. Its totient is φ = 108662400.

The previous prime is 113123089. The next prime is 113123137. The reversal of 113123113 is 311321311.

It is an interprime number because it is at equal distance from previous prime (113123089) and next prime (113123137).

It can be written as a sum of positive squares in 4 ways, for example, as 12482089 + 100641024 = 3533^2 + 10032^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113123113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113123173) 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, 4188 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (14702985).

Almost surely, 2^113123113 is an apocalyptic number.

It is an amenable number.

113123113 is a deficient number, since it is larger than the sum of its proper divisors (4500767).

113123113 is a wasteful number, since it uses less digits than its factorization.

113123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20027.

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

The square root of 113123113 is about 10635.9349847580. The cubic root of 113123113 is about 483.6343243993.

Adding to 113123113 its reverse (311321311), we get a palindrome (424444424).

The spelling of 113123113 in words is "one hundred thirteen million, one hundred twenty-three thousand, one hundred thirteen".