123000323110121 has 12 divisors (see below), whose sum is σ = 127949061370500. Its totient is φ = 118233694300320.

The previous prime is 123000323110097. The next prime is 123000323110199. The reversal of 123000323110121 is 121011323000321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13183253265625 + 109817069844496 = 3630875^2 + 10479364^2 .

It is not a de Polignac number, because 123000323110121 - 2⁴² = 118602276599017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123000323110093 and 123000323110102.

It is not an unprimeable number, because it can be changed into a prime (123000323110421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429360206 + ... + 429646583.

It is an arithmetic number, because the mean of its divisors is an integer number (10662421780875).

Almost surely, 2^{123000323110121} is an apocalyptic number.

It is an amenable number.

123000323110121 is a deficient number, since it is larger than the sum of its proper divisors (4948738260379).

123000323110121 is an equidigital number, since it uses as much as digits as its factorization.

123000323110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859007000 (or 859006969 counting only the distinct ones).

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

Adding to 123000323110121 its reverse (121011323000321), we get a palindrome (244011646110442).

The spelling of 123000323110121 in words is "one hundred twenty-three trillion, three hundred twenty-three million, one hundred ten thousand, one hundred twenty-one".