230304240 has 120 divisors (see below), whose sum is σ = 781342848. Its totient is φ = 60787200.

The previous prime is 230304233. The next prime is 230304271. The reversal of 230304240 is 42403032.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71137 + ... + 74303.

Almost surely, 2^230304240 is an apocalyptic number.

230304240 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 230304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390671424).

230304240 is an abundant number, since it is smaller than the sum of its proper divisors (551038608).

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

230304240 is a wasteful number, since it uses less digits than its factorization.

230304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 230304240 is about 15175.7780690151. The cubic root of 230304240 is about 612.9626015167.

Adding to 230304240 its reverse (42403032), we get a palindrome (272707272).

The spelling of 230304240 in words is "two hundred thirty million, three hundred four thousand, two hundred forty".