123241342203221 has 64 divisors (see below), whose sum is σ = 143564324106240. Its totient is φ = 104684314775040.

The previous prime is 123241342203179. The next prime is 123241342203247. The reversal of 123241342203221 is 122302243142321.

It is a happy number.

It is not a de Polignac number, because 123241342203221 - 2¹⁰ = 123241342202197 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 (123241342203271) 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 63 ways as a sum of consecutive naturals, for example, 2868257480 + ... + 2868300446.

It is an arithmetic number, because the mean of its divisors is an integer number (2243192564160).

Almost surely, 2^{123241342203221} is an apocalyptic number.

123241342203221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123241342203221 is a deficient number, since it is larger than the sum of its proper divisors (20322981903019).

123241342203221 is a wasteful number, since it uses less digits than its factorization.

123241342203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43986.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123241342203221 its reverse (122302243142321), we get a palindrome (245543585345542).

The spelling of 123241342203221 in words is "one hundred twenty-three trillion, two hundred forty-one billion, three hundred forty-two million, two hundred three thousand, two hundred twenty-one".