231683328000 has 480 divisors, whose sum is σ = 863719136280. Its totient is φ = 61776691200.

The previous prime is 231683327999. The next prime is 231683328001. The reversal of 231683328000 is 823386132.

231683328000 is a `hidden beast` number, since 2 + 316 + 8 + 332 + 8 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (231683327999) and next prime (231683328001).

It can be written as a sum of positive squares in 4 ways, for example, as 64670524416 + 167012803584 = 254304^2 + 408672^2 .

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (231683328001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20730414 + ... + 20741586.

Almost surely, 2^231683328000 is an apocalyptic number.

231683328000 is a gapful number since it is divisible by the number (20) 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 231683328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431859568140).

231683328000 is an abundant number, since it is smaller than the sum of its proper divisors (632035808280).

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

231683328000 is an equidigital number, since it uses as much as digits as its factorization.

231683328000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222 (or 11183 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 231683328000 in words is "two hundred thirty-one billion, six hundred eighty-three million, three hundred twenty-eight thousand".