123312120301 has 4 divisors (see below), whose sum is σ = 123312834400. Its totient is φ = 123311406204.

The previous prime is 123312120299. The next prime is 123312120307. The reversal of 123312120301 is 103021213321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 103021213321 = 13 ⋅7924708717.

It is a cyclic number.

It is not a de Polignac number, because 123312120301 - 2¹ = 123312120299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312120307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81640 + ... + 503278.

It is an arithmetic number, because the mean of its divisors is an integer number (30828208600).

Almost surely, 2^123312120301 is an apocalyptic number.

It is an amenable number.

123312120301 is a deficient number, since it is larger than the sum of its proper divisors (714099).

123312120301 is an equidigital number, since it uses as much as digits as its factorization.

123312120301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714098.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123312120301 its reverse (103021213321), we get a palindrome (226333333622).

The spelling of 123312120301 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred twenty thousand, three hundred one".