123030131123 has 8 divisors (see below), whose sum is σ = 127264305840. Its totient is φ = 118843800480.

The previous prime is 123030131111. The next prime is 123030131143. The reversal of 123030131123 is 321131030321.

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 123030131123 - 2²⁴ = 123013353907 is a prime.

It is a super-2 number, since 2×123030131123² (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 = 123030131095 and 123030131104.

It is not an unprimeable number, because it can be changed into a prime (123030131143) 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, 11955788 + ... + 11966073.

It is an arithmetic number, because the mean of its divisors is an integer number (15908038230).

Almost surely, 2^123030131123 is an apocalyptic number.

123030131123 is a deficient number, since it is larger than the sum of its proper divisors (4234174717).

123030131123 is a wasteful number, since it uses less digits than its factorization.

123030131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922037.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123030131123 its reverse (321131030321), we get a palindrome (444161161444).

The spelling of 123030131123 in words is "one hundred twenty-three billion, thirty million, one hundred thirty-one thousand, one hundred twenty-three".