1123240112113 has 48 divisors (see below), whose sum is σ = 1317406083840. Its totient is φ = 938011041792.

The previous prime is 1123240112077. The next prime is 1123240112171. The reversal of 1123240112113 is 3112110423211.

It is not a de Polignac number, because 1123240112113 - 2⁹ = 1123240111601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123241112113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1946689681 + ... + 1946690257.

It is an arithmetic number, because the mean of its divisors is an integer number (27445960080).

Almost surely, 2^{1123240112113} is an apocalyptic number.

It is an amenable number.

1123240112113 is a deficient number, since it is larger than the sum of its proper divisors (194165971727).

1123240112113 is an equidigital number, since it uses as much as digits as its factorization.

1123240112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1123240112113 its reverse (3112110423211), we get a palindrome (4235350535324).

The spelling of 1123240112113 in words is "one trillion, one hundred twenty-three billion, two hundred forty million, one hundred twelve thousand, one hundred thirteen".