230140812 has 24 divisors (see below), whose sum is σ = 585813312. Its totient is φ = 69739600.

The previous prime is 230140793. The next prime is 230140873. The reversal of 230140812 is 218041032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871614 + ... + 871877.

It is an arithmetic number, because the mean of its divisors is an integer number (24408888).

Almost surely, 2^230140812 is an apocalyptic number.

230140812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230140812 is an abundant number, since it is smaller than the sum of its proper divisors (355672500).

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

230140812 is a wasteful number, since it uses less digits than its factorization.

230140812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743509 (or 1743507 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 230140812 is about 15170.3926119267. The cubic root of 230140812 is about 612.8175774726.

Adding to 230140812 its reverse (218041032), we get a palindrome (448181844).

The spelling of 230140812 in words is "two hundred thirty million, one hundred forty thousand, eight hundred twelve".