230023240 has 16 divisors (see below), whose sum is σ = 517552380. Its totient is φ = 92009280.

The previous prime is 230023237. The next prime is 230023267. The reversal of 230023240 is 42320032.

It can be written as a sum of positive squares in 2 ways, for example, as 198640836 + 31382404 = 14094^2 + 5602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875251 + ... + 2875330.

Almost surely, 2^230023240 is an apocalyptic number.

230023240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230023240 is an abundant number, since it is smaller than the sum of its proper divisors (287529140).

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

230023240 is a wasteful number, since it uses less digits than its factorization.

230023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750592 (or 5750588 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 230023240 is about 15166.5170688593. The cubic root of 230023240 is about 612.7132030239.

Adding to 230023240 its reverse (42320032), we get a palindrome (272343272).

The spelling of 230023240 in words is "two hundred thirty million, twenty-three thousand, two hundred forty".