230544433 has 16 divisors (see below), whose sum is σ = 275420160. Its totient is φ = 188684496.

The previous prime is 230544407. The next prime is 230544451. The reversal of 230544433 is 334445032.

It is a de Polignac number, because none of the positive numbers 2^k-230544433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230544473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137466 + ... + 139132.

It is an arithmetic number, because the mean of its divisors is an integer number (17213760).

Almost surely, 2^230544433 is an apocalyptic number.

230544433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230544433 is a deficient number, since it is larger than the sum of its proper divisors (44875727).

230544433 is a wasteful number, since it uses less digits than its factorization.

230544433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 230544433 is about 15183.6897030992. The cubic root of 230544433 is about 613.1756214363.

Adding to 230544433 its reverse (334445032), we get a palindrome (564989465).

The spelling of 230544433 in words is "two hundred thirty million, five hundred forty-four thousand, four hundred thirty-three".