243230001 has 16 divisors (see below), whose sum is σ = 390144000. Its totient is φ = 131673168.

The previous prime is 243229981. The next prime is 243230011. The reversal of 243230001 is 100032342.

It is not a de Polignac number, because 243230001 - 2¹³ = 243221809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243230011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 304401 + ... + 305198.

It is an arithmetic number, because the mean of its divisors is an integer number (24384000).

Almost surely, 2^243230001 is an apocalyptic number.

243230001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243230001 is a deficient number, since it is larger than the sum of its proper divisors (146913999).

243230001 is a wasteful number, since it uses less digits than its factorization.

243230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609628.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 243230001 is about 15595.8328087986. The cubic root of 243230001 is about 624.2219660496.

Adding to 243230001 its reverse (100032342), we get a palindrome (343262343).

The spelling of 243230001 in words is "two hundred forty-three million, two hundred thirty thousand, one".