123110131023 has 24 divisors (see below), whose sum is σ = 196649154000. Its totient is φ = 73590111360.

The previous prime is 123110131007. The next prime is 123110131037. The reversal of 123110131023 is 320131011321.

123110131023 is a `hidden beast` number, since 1 + 231 + 101 + 310 + 23 = 666.

It is not a de Polignac number, because 123110131023 - 2⁴ = 123110131007 is a prime.

It is a super-3 number, since 3×123110131023³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123110130987 and 123110131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110138023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8510148 + ... + 8524601.

It is an arithmetic number, because the mean of its divisors is an integer number (8193714750).

Almost surely, 2^123110131023 is an apocalyptic number.

123110131023 is a deficient number, since it is larger than the sum of its proper divisors (73539022977).

123110131023 is a wasteful number, since it uses less digits than its factorization.

123110131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034839 (or 17034836 counting only the distinct ones).

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

Adding to 123110131023 its reverse (320131011321), we get a palindrome (443241142344).

The spelling of 123110131023 in words is "one hundred twenty-three billion, one hundred ten million, one hundred thirty-one thousand, twenty-three".