123244103315543 has 8 divisors (see below), whose sum is σ = 140851928669088. Its totient is φ = 105636659181984.

The previous prime is 123244103315533. The next prime is 123244103315549. The reversal of 123244103315543 is 345513301442321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123244103315543 - 2¹⁴ = 123244103299159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123244103315543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123244103315549) 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 7 ways as a sum of consecutive naturals, for example, 94611896 + ... + 95905677.

It is an arithmetic number, because the mean of its divisors is an integer number (17606491083636).

Almost surely, 2^{123244103315543} is an apocalyptic number.

123244103315543 is a deficient number, since it is larger than the sum of its proper divisors (17607825353545).

123244103315543 is an equidigital number, since it uses as much as digits as its factorization.

123244103315543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190609993.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 123244103315543 its reverse (345513301442321), we get a palindrome (468757404757864).

The spelling of 123244103315543 in words is "one hundred twenty-three trillion, two hundred forty-four billion, one hundred three million, three hundred fifteen thousand, five hundred forty-three".