243340402223 has 8 divisors (see below), whose sum is σ = 247570665360. Its totient is φ = 239113667520.

The previous prime is 243340402171. The next prime is 243340402243. The reversal of 243340402223 is 322204043342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243340402223 - 2⁶ = 243340402159 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 (243340402243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742790 + ... + 1019027.

It is an arithmetic number, because the mean of its divisors is an integer number (30946333170).

Almost surely, 2^243340402223 is an apocalyptic number.

243340402223 is a deficient number, since it is larger than the sum of its proper divisors (4230263137).

243340402223 is a wasteful number, since it uses less digits than its factorization.

243340402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764217.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 243340402223 its reverse (322204043342), we get a palindrome (565544445565).

The spelling of 243340402223 in words is "two hundred forty-three billion, three hundred forty million, four hundred two thousand, two hundred twenty-three".