113121310223 has 8 divisors (see below), whose sum is σ = 119962373760. Its totient is φ = 106301009920.

The previous prime is 113121310217. The next prime is 113121310241. The reversal of 113121310223 is 322013121311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113121310223 - 2⁴ = 113121310207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113121310195 and 113121310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5179583 + ... + 5201376.

It is an arithmetic number, because the mean of its divisors is an integer number (14995296720).

Almost surely, 2^113121310223 is an apocalyptic number.

113121310223 is a deficient number, since it is larger than the sum of its proper divisors (6841063537).

113121310223 is a wasteful number, since it uses less digits than its factorization.

113121310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10381617.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113121310223 its reverse (322013121311), we get a palindrome (435134431534).

The spelling of 113121310223 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred ten thousand, two hundred twenty-three".