123243423024535 has 16 divisors (see below), whose sum is σ = 161346667312512. Its totient is φ = 89626123367200.

The previous prime is 123243423024529. The next prime is 123243423024637. The reversal of 123243423024535 is 535420324342321.

It is not a de Polignac number, because 123243423024535 - 2²³ = 123243414635927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123243423024491 and 123243423024500.

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 15 ways as a sum of consecutive naturals, for example, 67300981 + ... + 69107950.

It is an arithmetic number, because the mean of its divisors is an integer number (10084166707032).

Almost surely, 2^{123243423024535} is an apocalyptic number.

123243423024535 is a deficient number, since it is larger than the sum of its proper divisors (38103244287977).

123243423024535 is a wasteful number, since it uses less digits than its factorization.

123243423024535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136425374.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 123243423024535 its reverse (535420324342321), we get a palindrome (658663747366856).

The spelling of 123243423024535 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-three million, twenty-four thousand, five hundred thirty-five".