243305342004 has 96 divisors (see below), whose sum is σ = 617685465600. Its totient is φ = 74292543360.

The previous prime is 243305341969. The next prime is 243305342041. The reversal of 243305342004 is 400243503342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672319 + ... + 968825.

It is an arithmetic number, because the mean of its divisors is an integer number (6434223600).

Almost surely, 2^243305342004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243305342004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308842732800).

243305342004 is an abundant number, since it is smaller than the sum of its proper divisors (374380123596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243305342004 is a wasteful number, since it uses less digits than its factorization.

243305342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296653 (or 296651 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 243305342004 its reverse (400243503342), we get a palindrome (643548845346).

The spelling of 243305342004 in words is "two hundred forty-three billion, three hundred five million, three hundred forty-two thousand, four".