113223121123 has 16 divisors (see below), whose sum is σ = 130039024320. Its totient is φ = 96568704000.

The previous prime is 113223121117. The next prime is 113223121159. The reversal of 113223121123 is 321121322311.

It is a cyclic number.

It is not a de Polignac number, because 113223121123 - 2⁵ = 113223121091 is a prime.

It is a super-2 number, since 2×113223121123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113223121094 and 113223121103.

It is not an unprimeable number, because it can be changed into a prime (113223122123) 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, 1098753 + ... + 1197373.

It is an arithmetic number, because the mean of its divisors is an integer number (8127439020).

Almost surely, 2^113223121123 is an apocalyptic number.

113223121123 is a deficient number, since it is larger than the sum of its proper divisors (16815903197).

113223121123 is an equidigital number, since it uses as much as digits as its factorization.

113223121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99438.

The product of its digits is 432, while the sum is 22.

Adding to 113223121123 its reverse (321121322311), we get a palindrome (434344443434).

The spelling of 113223121123 in words is "one hundred thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-three".