123543454141135 has 32 divisors (see below), whose sum is σ = 177242836867200. Its totient is φ = 80875249889280.

The previous prime is 123543454141127. The next prime is 123543454141157. The reversal of 123543454141135 is 531141454345321.

It is not a de Polignac number, because 123543454141135 - 2³ = 123543454141127 is a prime.

It is a super-2 number, since 2×123543454141135² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683716906 + ... + 683897575.

It is an arithmetic number, because the mean of its divisors is an integer number (5538838652100).

Almost surely, 2^{123543454141135} is an apocalyptic number.

123543454141135 is a deficient number, since it is larger than the sum of its proper divisors (53699382726065).

123543454141135 is a wasteful number, since it uses less digits than its factorization.

123543454141135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367614611.

The product of its digits is 1728000, while the sum is 46.

The spelling of 123543454141135 in words is "one hundred twenty-three trillion, five hundred forty-three billion, four hundred fifty-four million, one hundred forty-one thousand, one hundred thirty-five".