123344456776 has 16 divisors (see below), whose sum is σ = 231277684140. Its totient is φ = 61670407680.

The previous prime is 123344456773. The next prime is 123344456813. The reversal of 123344456776 is 677654443321.

It can be written as a sum of positive squares in 2 ways, for example, as 113238980100 + 10105476676 = 336510^2 + 100526^2 .

It is not an unprimeable number, because it can be changed into a prime (123344456773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85696 + ... + 504016.

Almost surely, 2^123344456776 is an apocalyptic number.

It is an amenable number.

123344456776 is a deficient number, since it is larger than the sum of its proper divisors (107933227364).

123344456776 is a wasteful number, since it uses less digits than its factorization.

123344456776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455184 (or 455180 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 52.

The spelling of 123344456776 in words is "one hundred twenty-three billion, three hundred forty-four million, four hundred fifty-six thousand, seven hundred seventy-six".