123231321441 has 6 divisors (see below), whose sum is σ = 178000797650. Its totient is φ = 82154214288.

The previous prime is 123231321439. The next prime is 123231321497. The reversal of 123231321441 is 144123132321.

123231321441 is a `hidden beast` number, since 12 + 323 + 1 + 321 + 4 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74312940816 + 48918380625 = 272604^2 + 221175^2 .

It is not a de Polignac number, because 123231321441 - 2¹ = 123231321439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123231321431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6846184516 + ... + 6846184533.

Almost surely, 2^123231321441 is an apocalyptic number.

It is an amenable number.

123231321441 is a deficient number, since it is larger than the sum of its proper divisors (54769476209).

123231321441 is a wasteful number, since it uses less digits than its factorization.

123231321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692369055 (or 13692369052 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 123231321441 its reverse (144123132321), we get a palindrome (267354453762).

The spelling of 123231321441 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred forty-one".