123242431025435 has 16 divisors (see below), whose sum is σ = 148123475731872. Its totient is φ = 98438909644800.

The previous prime is 123242431025387. The next prime is 123242431025443. The reversal of 123242431025435 is 534520134242321.

It is not a de Polignac number, because 123242431025435 - 2¹⁰ = 123242431024411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123242431025392 and 123242431025401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328475645 + ... + 328850625.

It is an arithmetic number, because the mean of its divisors is an integer number (9257717233242).

Almost surely, 2^{123242431025435} is an apocalyptic number.

123242431025435 is a deficient number, since it is larger than the sum of its proper divisors (24881044706437).

123242431025435 is a wasteful number, since it uses less digits than its factorization.

123242431025435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478174.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 123242431025435 its reverse (534520134242321), we get a palindrome (657762565267756).

The spelling of 123242431025435 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred thirty-one million, twenty-five thousand, four hundred thirty-five".