123123313010201 has 4 divisors (see below), whose sum is σ = 140712357725952. Its totient is φ = 105534268294452.

The previous prime is 123123313010179. The next prime is 123123313010207. The reversal of 123123313010201 is 102010313321321.

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 123123313010201 - 2¹⁸ = 123123312748057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123123313010207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8794522357865 + ... + 8794522357878.

It is an arithmetic number, because the mean of its divisors is an integer number (35178089431488).

Almost surely, 2^{123123313010201} is an apocalyptic number.

It is an amenable number.

123123313010201 is a deficient number, since it is larger than the sum of its proper divisors (17589044715751).

123123313010201 is an equidigital number, since it uses as much as digits as its factorization.

123123313010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589044715750.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123123313010201 its reverse (102010313321321), we get a palindrome (225133626331522).

The spelling of 123123313010201 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred thirteen million, ten thousand, two hundred one".