243000230001 has 4 divisors (see below), whose sum is σ = 324000306672. Its totient is φ = 162000153332.

The previous prime is 243000229999. The next prime is 243000230051. The reversal of 243000230001 is 100032000342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243000230001 - 2¹ = 243000229999 is a prime.

It is a super-2 number, since 2×243000230001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243000230051) 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 3 ways as a sum of consecutive naturals, for example, 40500038331 + ... + 40500038336.

It is an arithmetic number, because the mean of its divisors is an integer number (81000076668).

Almost surely, 2^243000230001 is an apocalyptic number.

It is an amenable number.

243000230001 is a deficient number, since it is larger than the sum of its proper divisors (81000076671).

243000230001 is an equidigital number, since it uses as much as digits as its factorization.

243000230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81000076670.

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

Adding to 243000230001 its reverse (100032000342), we get a palindrome (343032230343).

The spelling of 243000230001 in words is "two hundred forty-three billion, two hundred thirty thousand, one".