123241355142401 has 4 divisors (see below), whose sum is σ = 123276159256404. Its totient is φ = 123206551028400.

The previous prime is 123241355142359. The next prime is 123241355142403. The reversal of 123241355142401 is 104241553142321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97405076098801 + 25836279043600 = 9869401^2 + 5082940^2 .

It is a cyclic number.

It is not a de Polignac number, because 123241355142401 - 2²⁶ = 123241288033537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123241355142403) 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, 17402051690 + ... + 17402058771.

It is an arithmetic number, because the mean of its divisors is an integer number (30819039814101).

Almost surely, 2^{123241355142401} is an apocalyptic number.

It is an amenable number.

123241355142401 is a deficient number, since it is larger than the sum of its proper divisors (34804114003).

123241355142401 is an equidigital number, since it uses as much as digits as its factorization.

123241355142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34804114002.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 123241355142401 in words is "one hundred twenty-three trillion, two hundred forty-one billion, three hundred fifty-five million, one hundred forty-two thousand, four hundred one".