123616036342643 has 12 divisors (see below), whose sum is σ = 133857355943520. Its totient is φ = 114106310955936.

The previous prime is 123616036342627. The next prime is 123616036342649. The reversal of 123616036342643 is 346243630616321.

It is not a de Polignac number, because 123616036342643 - 2⁴ = 123616036342627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123616036342591 and 123616036342600.

It is not an unprimeable number, because it can be changed into a prime (123616036342649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22342598 + ... + 27320756.

It is an arithmetic number, because the mean of its divisors is an integer number (11154779661960).

Almost surely, 2^{123616036342643} is an apocalyptic number.

123616036342643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123616036342643 is a deficient number, since it is larger than the sum of its proper divisors (10241319600877).

123616036342643 is a wasteful number, since it uses less digits than its factorization.

123616036342643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125118 (or 5125105 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 50.

Adding to 123616036342643 its reverse (346243630616321), we get a palindrome (469859666958964).

The spelling of 123616036342643 in words is "one hundred twenty-three trillion, six hundred sixteen billion, thirty-six million, three hundred forty-two thousand, six hundred forty-three".