230538840 has 64 divisors (see below), whose sum is σ = 790421760. Its totient is φ = 52694400.

The previous prime is 230538809. The next prime is 230538851. The reversal of 230538840 is 48835032.

It is a super-3 number, since 3×230538840³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136386 + ... + 138065.

It is an arithmetic number, because the mean of its divisors is an integer number (12350340).

Almost surely, 2^230538840 is an apocalyptic number.

230538840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230538840 is an abundant number, since it is smaller than the sum of its proper divisors (559882920).

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

230538840 is a wasteful number, since it uses less digits than its factorization.

230538840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274472 (or 274468 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 230538840 is about 15183.5055240876. The cubic root of 230538840 is about 613.1706628564.

The spelling of 230538840 in words is "two hundred thirty million, five hundred thirty-eight thousand, eight hundred forty".