123855696 has 40 divisors (see below), whose sum is σ = 355512960. Its totient is φ = 41285088.

The previous prime is 123855679. The next prime is 123855703. The reversal of 123855696 is 696558321.

123855696 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 556 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142920 + ... + 143783.

It is an arithmetic number, because the mean of its divisors is an integer number (8887824).

Almost surely, 2^123855696 is an apocalyptic number.

123855696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123855696 is an abundant number, since it is smaller than the sum of its proper divisors (231657264).

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

123855696 is a wasteful number, since it uses less digits than its factorization.

123855696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286720 (or 286708 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 123855696 is about 11129.0473985872. The cubic root of 123855696 is about 498.4695817527.

It can be divided in two parts, 12385 and 5696, that added together give a palindrome (18081).

The spelling of 123855696 in words is "one hundred twenty-three million, eight hundred fifty-five thousand, six hundred ninety-six".