123013321310121 has 32 divisors (see below), whose sum is σ = 184290918000000. Its totient is φ = 72330720698880.

The previous prime is 123013321310069. The next prime is 123013321310141. The reversal of 123013321310121 is 121013123310321.

It is not a de Polignac number, because 123013321310121 - 2¹⁰ = 123013321309097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123013321310091 and 123013321310100.

It is not an unprimeable number, because it can be changed into a prime (123013321310141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143911996 + ... + 144764253.

It is an arithmetic number, because the mean of its divisors is an integer number (5759091187500).

Almost surely, 2^{123013321310121} is an apocalyptic number.

123013321310121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123013321310121 is a deficient number, since it is larger than the sum of its proper divisors (61277596689879).

123013321310121 is a wasteful number, since it uses less digits than its factorization.

123013321310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288676649.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 123013321310121 its reverse (121013123310321), we get a palindrome (244026444620442).

The spelling of 123013321310121 in words is "one hundred twenty-three trillion, thirteen billion, three hundred twenty-one million, three hundred ten thousand, one hundred twenty-one".