243233430223 has 4 divisors (see below), whose sum is σ = 277981063120. Its totient is φ = 208485797328.

The previous prime is 243233430197. The next prime is 243233430247. The reversal of 243233430223 is 322034332342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322034332342 = 2 ⋅161017166171.

It is a cyclic number.

It is not a de Polignac number, because 243233430223 - 2⁵ = 243233430191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233431223) 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, 17373816438 + ... + 17373816451.

It is an arithmetic number, because the mean of its divisors is an integer number (69495265780).

Almost surely, 2^243233430223 is an apocalyptic number.

243233430223 is a deficient number, since it is larger than the sum of its proper divisors (34747632897).

243233430223 is an equidigital number, since it uses as much as digits as its factorization.

243233430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34747632896.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 243233430223 its reverse (322034332342), we get a palindrome (565267762565).

The spelling of 243233430223 in words is "two hundred forty-three billion, two hundred thirty-three million, four hundred thirty thousand, two hundred twenty-three".