123442346321611 has 8 divisors (see below), whose sum is σ = 124840592958240. Its totient is φ = 122044349773632.

The previous prime is 123442346321603. The next prime is 123442346321647. The reversal of 123442346321611 is 116123643244321.

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

It is a cyclic number.

It is not a de Polignac number, because 123442346321611 - 2³ = 123442346321603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123442346321111) by changing a digit.

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, 61529295 + ... + 63503848.

It is an arithmetic number, because the mean of its divisors is an integer number (15605074119780).

Almost surely, 2^{123442346321611} is an apocalyptic number.

123442346321611 is a deficient number, since it is larger than the sum of its proper divisors (1398246636629).

123442346321611 is a wasteful number, since it uses less digits than its factorization.

123442346321611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125044325.

The product of its digits is 497664, while the sum is 43.

Adding to 123442346321611 its reverse (116123643244321), we get a palindrome (239565989565932).

The spelling of 123442346321611 in words is "one hundred twenty-three trillion, four hundred forty-two billion, three hundred forty-six million, three hundred twenty-one thousand, six hundred eleven".