230856840 has 96 divisors (see below), whose sum is σ = 789796800. Its totient is φ = 58320000.

The previous prime is 230856839. The next prime is 230856851. The reversal of 230856840 is 48658032.

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

It is a junction number, because it is equal to n+sod(n) for n = 230856795 and 230856804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10036 + ... + 23715.

It is an arithmetic number, because the mean of its divisors is an integer number (8227050).

Almost surely, 2^230856840 is an apocalyptic number.

230856840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230856840 is an abundant number, since it is smaller than the sum of its proper divisors (558939960).

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

230856840 is a wasteful number, since it uses less digits than its factorization.

230856840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787 (or 33780 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 230856840 is about 15193.9738054269. The cubic root of 230856840 is about 613.4524645191.

The spelling of 230856840 in words is "two hundred thirty million, eight hundred fifty-six thousand, eight hundred forty".