123543321736 has 16 divisors (see below), whose sum is σ = 232498506240. Its totient is φ = 61543720080.

The previous prime is 123543321701. The next prime is 123543321751. The reversal of 123543321736 is 637123345321.

123543321736 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 28490296 + ... + 28494631.

It is an arithmetic number, because the mean of its divisors is an integer number (14531156640).

Almost surely, 2^123543321736 is an apocalyptic number.

It is an amenable number.

123543321736 is a deficient number, since it is larger than the sum of its proper divisors (108955184504).

123543321736 is a wasteful number, since it uses less digits than its factorization.

123543321736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56985204 (or 56985200 counting only the distinct ones).

The product of its digits is 272160, while the sum is 40.

The spelling of 123543321736 in words is "one hundred twenty-three billion, five hundred forty-three million, three hundred twenty-one thousand, seven hundred thirty-six".