123847232256 has 1008 divisors, whose sum is σ = 438811414272. Its totient is φ = 34488115200.

The previous prime is 123847232227. The next prime is 123847232261. The reversal of 123847232256 is 652232748321.

123847232256 is a `hidden beast` number, since 1 + 238 + 47 + 2 + 322 + 56 = 666.

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 111 ways as a sum of consecutive naturals, for example, 2030282466 + ... + 2030282526.

It is an arithmetic number, because the mean of its divisors is an integer number (435328784).

Almost surely, 2^123847232256 is an apocalyptic number.

123847232256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123847232256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219405707136).

123847232256 is an abundant number, since it is smaller than the sum of its proper divisors (314964182016).

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

123847232256 is an equidigital number, since it uses as much as digits as its factorization.

123847232256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 143 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 123847232256 in words is "one hundred twenty-three billion, eight hundred forty-seven million, two hundred thirty-two thousand, two hundred fifty-six".