123355541330541 has 80 divisors (see below), whose sum is σ = 201271774112640. Its totient is φ = 74830724760960.

The previous prime is 123355541330453. The next prime is 123355541330551. The reversal of 123355541330541 is 145033145553321.

123355541330541 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 5 + 554 + 13 + 30 + 54 + 1 = 666.

It is not a de Polignac number, because 123355541330541 - 2⁴⁵ = 88171169241709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123355541330551) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 513426946 + ... + 513667148.

It is an arithmetic number, because the mean of its divisors is an integer number (2515897176408).

Almost surely, 2^{123355541330541} is an apocalyptic number.

It is an amenable number.

123355541330541 is a deficient number, since it is larger than the sum of its proper divisors (77916232782099).

123355541330541 is a wasteful number, since it uses less digits than its factorization.

123355541330541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247168 (or 247159 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

Adding to 123355541330541 its reverse (145033145553321), we get a palindrome (268388686883862).

The spelling of 123355541330541 in words is "one hundred twenty-three trillion, three hundred fifty-five billion, five hundred forty-one million, three hundred thirty thousand, five hundred forty-one".