123534032031455 has 8 divisors (see below), whose sum is σ = 150328737571104. Its totient is φ = 97435292869600.

The previous prime is 123534032031409. The next prime is 123534032031497. The reversal of 123534032031455 is 554130230435321.

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

It is not a de Polignac number, because 123534032031455 - 2³⁸ = 123259154124511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 173991594056 + ... + 173991594765.

It is an arithmetic number, because the mean of its divisors is an integer number (18791092196388).

Almost surely, 2^{123534032031455} is an apocalyptic number.

123534032031455 is a deficient number, since it is larger than the sum of its proper divisors (26794705539649).

123534032031455 is an equidigital number, since it uses as much as digits as its factorization.

123534032031455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347983188897.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 123534032031455 its reverse (554130230435321), we get a palindrome (677664262466776).

The spelling of 123534032031455 in words is "one hundred twenty-three trillion, five hundred thirty-four billion, thirty-two million, thirty-one thousand, four hundred fifty-five".