113023121123 has 16 divisors (see below), whose sum is σ = 127689999360. Its totient is φ = 99109850400.

The previous prime is 113023121051. The next prime is 113023121171. The reversal of 113023121123 is 321121320311.

It is a happy number.

It is not a de Polignac number, because 113023121123 - 2³⁰ = 111949379299 is a prime.

It is a super-2 number, since 2×113023121123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113023121095 and 113023121104.

It is not an unprimeable number, because it can be changed into a prime (113023121423) 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, 435128 + ... + 644501.

It is an arithmetic number, because the mean of its divisors is an integer number (7980624960).

Almost surely, 2^113023121123 is an apocalyptic number.

113023121123 is a deficient number, since it is larger than the sum of its proper divisors (14666878237).

113023121123 is a wasteful number, since it uses less digits than its factorization.

113023121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079978.

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

Adding to 113023121123 its reverse (321121320311), we get a palindrome (434144441434).

The spelling of 113023121123 in words is "one hundred thirteen billion, twenty-three million, one hundred twenty-one thousand, one hundred twenty-three".