230440000 has 140 divisors (see below), whose sum is σ = 653840704. Its totient is φ = 78912000.

The previous prime is 230439997. The next prime is 230440009. The reversal of 230440000 is 44032.

It is a tau number, because it is divible by the number of its divisors (140).

It is not an unprimeable number, because it can be changed into a prime (230440009) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 279589 + ... + 280411.

Almost surely, 2^230440000 is an apocalyptic number.

230440000 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 230440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326920352).

230440000 is an abundant number, since it is smaller than the sum of its proper divisors (423400704).

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

230440000 is an frugal number, since it uses more digits than its factorization.

230440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 230440000 is about 15180.2503273167. The cubic root of 230440000 is about 613.0830211505.

Adding to 230440000 its reverse (44032), we get a palindrome (230484032).

It can be divided in two parts, 2304 and 40000, that multiplied together give a square (92160000 = 9600²).

The spelling of 230440000 in words is "two hundred thirty million, four hundred forty thousand".