123616145541 has 64 divisors (see below), whose sum is σ = 201854661120. Its totient is φ = 65682800640.

The previous prime is 123616145519. The next prime is 123616145599. The reversal of 123616145541 is 145541616321.

It is not a de Polignac number, because 123616145541 - 2⁵ = 123616145509 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123616145541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123616147541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22194405 + ... + 22199973.

It is an arithmetic number, because the mean of its divisors is an integer number (3153979080).

Almost surely, 2^123616145541 is an apocalyptic number.

It is an amenable number.

123616145541 is a deficient number, since it is larger than the sum of its proper divisors (78238515579).

123616145541 is a wasteful number, since it uses less digits than its factorization.

123616145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334.

The product of its digits is 86400, while the sum is 39.

The spelling of 123616145541 in words is "one hundred twenty-three billion, six hundred sixteen million, one hundred forty-five thousand, five hundred forty-one".