243403310332000 has 384 divisors, whose sum is σ = 744919794597888. Its totient is φ = 76105016064000.

The previous prime is 243403310331947. The next prime is 243403310332001. The reversal of 243403310332000 is 233013304342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 243403310332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243403310332001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26183745 + ... + 34240255.

It is an arithmetic number, because the mean of its divisors is an integer number (1939895298432).

Almost surely, 2^{243403310332000} is an apocalyptic number.

243403310332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243403310332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372459897298944).

243403310332000 is an abundant number, since it is smaller than the sum of its proper divisors (501516484265888).

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

243403310332000 is a wasteful number, since it uses less digits than its factorization.

243403310332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056639 (or 8056621 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 243403310332000 its reverse (233013304342), we get a palindrome (243636323636342).

The spelling of 243403310332000 in words is "two hundred forty-three trillion, four hundred three billion, three hundred ten million, three hundred thirty-two thousand".