230512540 has 24 divisors (see below), whose sum is σ = 484585920. Its totient is φ = 92107968.

The previous prime is 230512531. The next prime is 230512567. The reversal of 230512540 is 45215032.

230512540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15234 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (20191080).

Almost surely, 2^230512540 is an apocalyptic number.

230512540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230512540 is an abundant number, since it is smaller than the sum of its proper divisors (254073380).

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

230512540 is a wasteful number, since it uses less digits than its factorization.

230512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141 (or 12139 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 230512540 is about 15182.6394279783. The cubic root of 230512540 is about 613.1473450188.

Adding to 230512540 its reverse (45215032), we get a palindrome (275727572).

The spelling of 230512540 in words is "two hundred thirty million, five hundred twelve thousand, five hundred forty".