123231320340441 has 16 divisors (see below), whose sum is σ = 165256258910400. Its totient is φ = 81681590753280.

The previous prime is 123231320340421. The next prime is 123231320340523. The reversal of 123231320340441 is 144043023132321.

It is not a de Polignac number, because 123231320340441 - 2¹³ = 123231320332249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123231320340421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161254420 + ... + 162016821.

It is an arithmetic number, because the mean of its divisors is an integer number (10328516181900).

Almost surely, 2^{123231320340441} is an apocalyptic number.

It is an amenable number.

123231320340441 is a deficient number, since it is larger than the sum of its proper divisors (42024938569959).

123231320340441 is a wasteful number, since it uses less digits than its factorization.

123231320340441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323271976.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 123231320340441 its reverse (144043023132321), we get a palindrome (267274343472762).

The spelling of 123231320340441 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, three hundred twenty million, three hundred forty thousand, four hundred forty-one".