123377942405896 has 16 divisors (see below), whose sum is σ = 231333830763840. Its totient is φ = 61688920868880.

The previous prime is 123377942405867. The next prime is 123377942405941. The reversal of 123377942405896 is 698504249773321.

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 3 ways as a sum of consecutive naturals, for example, 5404845 + ... + 16612291.

It is an arithmetic number, because the mean of its divisors is an integer number (14458364422740).

It is a 1-persistent number, because it is pandigital, but 2⋅123377942405896 = 246755884811792 is not.

Almost surely, 2^{123377942405896} is an apocalyptic number.

It is an amenable number.

123377942405896 is a deficient number, since it is larger than the sum of its proper divisors (107955888357944).

123377942405896 is a wasteful number, since it uses less digits than its factorization.

123377942405896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12583524 (or 12583520 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 70.

The spelling of 123377942405896 in words is "one hundred twenty-three trillion, three hundred seventy-seven billion, nine hundred forty-two million, four hundred five thousand, eight hundred ninety-six".