123353134244423 has 4 divisors (see below), whose sum is σ = 123400964078040. Its totient is φ = 123305304410808.

The previous prime is 123353134244377. The next prime is 123353134244513. The reversal of 123353134244423 is 324442431353321.

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

It is a cyclic number.

It is not a de Polignac number, because 123353134244423 - 2²⁰ = 123353133195847 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 (123353134244623) 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, 23914912940 + ... + 23914918097.

It is an arithmetic number, because the mean of its divisors is an integer number (30850241019510).

Almost surely, 2^{123353134244423} is an apocalyptic number.

123353134244423 is a deficient number, since it is larger than the sum of its proper divisors (47829833617).

123353134244423 is an equidigital number, since it uses as much as digits as its factorization.

123353134244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47829833616.

The product of its digits is 2488320, while the sum is 44.

Adding to 123353134244423 its reverse (324442431353321), we get a palindrome (447795565597744).

The spelling of 123353134244423 in words is "one hundred twenty-three trillion, three hundred fifty-three billion, one hundred thirty-four million, two hundred forty-four thousand, four hundred twenty-three".