123431003344 has 40 divisors (see below), whose sum is σ = 260934691968. Its totient is φ = 56095015680.

The previous prime is 123431003323. The next prime is 123431003351. The reversal of 123431003344 is 443300134321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978409 + ... + 1097335.

Almost surely, 2^123431003344 is an apocalyptic number.

It is an amenable number.

123431003344 is an abundant number, since it is smaller than the sum of its proper divisors (137503688624).

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

123431003344 is a wasteful number, since it uses less digits than its factorization.

123431003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124843 (or 124837 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123431003344 its reverse (443300134321), we get a palindrome (566731137665).

The spelling of 123431003344 in words is "one hundred twenty-three billion, four hundred thirty-one million, three thousand, three hundred forty-four".