230543040 has 504 divisors, whose sum is σ = 953810640. Its totient is φ = 46964736.

The previous prime is 230543029. The next prime is 230543059. The reversal of 230543040 is 40345032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 230542998 and 230543016.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7949746 + ... + 7949774.

Almost surely, 2^230543040 is an apocalyptic number.

230543040 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 230543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476905320).

230543040 is an abundant number, since it is smaller than the sum of its proper divisors (723267600).

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

230543040 is a wasteful number, since it uses less digits than its factorization.

230543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 230543040 is about 15183.6438314391. The cubic root of 230543040 is about 613.1743864533.

Adding to 230543040 its reverse (40345032), we get a palindrome (270888072).

The spelling of 230543040 in words is "two hundred thirty million, five hundred forty-three thousand, forty".