123231444144 has 40 divisors (see below), whose sum is σ = 319086577152. Its totient is φ = 40981834560.

The previous prime is 123231444121. The next prime is 123231444151. The reversal of 123231444144 is 441444132321.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 2957644 + ... + 2999019.

Almost surely, 2^123231444144 is an apocalyptic number.

It is an amenable number.

123231444144 is an abundant number, since it is smaller than the sum of its proper divisors (195855133008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231444144 is a wasteful number, since it uses less digits than its factorization.

123231444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957105 (or 5957099 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

Adding to 123231444144 its reverse (441444132321), we get a palindrome (564675576465).

The spelling of 123231444144 in words is "one hundred twenty-three billion, two hundred thirty-one million, four hundred forty-four thousand, one hundred forty-four".