123310133203201 has 4 divisors (see below), whose sum is σ = 140925866517952. Its totient is φ = 105694399888452.

The previous prime is 123310133203181. The next prime is 123310133203217. The reversal of 123310133203201 is 102302331013321.

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.

It is a cyclic number.

It is not a de Polignac number, because 123310133203201 - 2³¹ = 123307985719553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123310133243201) 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 3 ways as a sum of consecutive naturals, for example, 8807866657365 + ... + 8807866657378.

It is an arithmetic number, because the mean of its divisors is an integer number (35231466629488).

Almost surely, 2^{123310133203201} is an apocalyptic number.

It is an amenable number.

123310133203201 is a deficient number, since it is larger than the sum of its proper divisors (17615733314751).

123310133203201 is an equidigital number, since it uses as much as digits as its factorization.

123310133203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17615733314750.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123310133203201 its reverse (102302331013321), we get a palindrome (225612464216522).

The spelling of 123310133203201 in words is "one hundred twenty-three trillion, three hundred ten billion, one hundred thirty-three million, two hundred three thousand, two hundred one".