123545441104543 has 8 divisors (see below), whose sum is σ = 123567049095840. Its totient is φ = 123523834997760.

The previous prime is 123545441104537. The next prime is 123545441104597. The reversal of 123545441104543 is 345401144545321.

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

It is a cyclic number.

It is not a de Polignac number, because 123545441104543 - 2²⁵ = 123545407550111 is a prime.

It is a super-2 number, since 2×123545441104543² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123545441104493 and 123545441104502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123545441104523) 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, 133991443 + ... + 134910331.

It is an arithmetic number, because the mean of its divisors is an integer number (15445881136980).

Almost surely, 2^{123545441104543} is an apocalyptic number.

123545441104543 is a deficient number, since it is larger than the sum of its proper divisors (21607991297).

123545441104543 is a wasteful number, since it uses less digits than its factorization.

123545441104543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942257.

The product of its (nonzero) digits is 2304000, while the sum is 46.

Adding to 123545441104543 its reverse (345401144545321), we get a palindrome (468946585649864).

The spelling of 123545441104543 in words is "one hundred twenty-three trillion, five hundred forty-five billion, four hundred forty-one million, one hundred four thousand, five hundred forty-three".