123354240524435 has 64 divisors (see below), whose sum is σ = 160320238848000. Its totient is φ = 90772144404480.

The previous prime is 123354240524413. The next prime is 123354240524479. The reversal of 123354240524435 is 534425042453321.

It is not a de Polignac number, because 123354240524435 - 2⁶ = 123354240524371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123354240524435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3738104066 + ... + 3738137064.

It is an arithmetic number, because the mean of its divisors is an integer number (2505003732000).

Almost surely, 2^{123354240524435} is an apocalyptic number.

123354240524435 is a deficient number, since it is larger than the sum of its proper divisors (36965998323565).

123354240524435 is a wasteful number, since it uses less digits than its factorization.

123354240524435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37668.

The product of its (nonzero) digits is 6912000, while the sum is 47.

Adding to 123354240524435 its reverse (534425042453321), we get a palindrome (657779282977756).

The spelling of 123354240524435 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred forty million, five hundred twenty-four thousand, four hundred thirty-five".