243001304223 has 4 divisors (see below), whose sum is σ = 324001738968. Its totient is φ = 162000869480.

The previous prime is 243001304209. The next prime is 243001304243. The reversal of 243001304223 is 322403100342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243001304223 - 2⁶ = 243001304159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243001304193 and 243001304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243001304243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40500217368 + ... + 40500217373.

It is an arithmetic number, because the mean of its divisors is an integer number (81000434742).

Almost surely, 2^243001304223 is an apocalyptic number.

243001304223 is a deficient number, since it is larger than the sum of its proper divisors (81000434745).

243001304223 is an equidigital number, since it uses as much as digits as its factorization.

243001304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81000434744.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243001304223 its reverse (322403100342), we get a palindrome (565404404565).

The spelling of 243001304223 in words is "two hundred forty-three billion, one million, three hundred four thousand, two hundred twenty-three".