111023130123 has 12 divisors (see below), whose sum is σ = 160373012800. Its totient is φ = 74012526576.

The previous prime is 111023130121. The next prime is 111023130151. The reversal of 111023130123 is 321031320111.

111023130123 is a `hidden beast` number, since 1 + 110 + 231 + 301 + 23 = 666.

It is not a de Polignac number, because 111023130123 - 2¹ = 111023130121 is a prime.

It is a super-2 number, since 2×111023130123² (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 = 111023130096 and 111023130105.

It is not an unprimeable number, because it can be changed into a prime (111023130121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16353 + ... + 471501.

Almost surely, 2^111023130123 is an apocalyptic number.

111023130123 is a deficient number, since it is larger than the sum of its proper divisors (49349882677).

111023130123 is a wasteful number, since it uses less digits than its factorization.

111023130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482258 (or 482255 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111023130123 its reverse (321031320111), we get a palindrome (432054450234).

The spelling of 111023130123 in words is "one hundred eleven billion, twenty-three million, one hundred thirty thousand, one hundred twenty-three".