243123340350 has 96 divisors (see below), whose sum is σ = 657961387776. Its totient is φ = 58920870400.

The previous prime is 243123340331. The next prime is 243123340373. The reversal of 243123340350 is 53043321342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5798662 + ... + 5840438.

It is an arithmetic number, because the mean of its divisors is an integer number (6853764456).

Almost surely, 2^243123340350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243123340350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328980693888).

243123340350 is an abundant number, since it is smaller than the sum of its proper divisors (414838047426).

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

243123340350 is a wasteful number, since it uses less digits than its factorization.

243123340350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45330 (or 45325 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 243123340350 its reverse (53043321342), we get a palindrome (296166661692).

The spelling of 243123340350 in words is "two hundred forty-three billion, one hundred twenty-three million, three hundred forty thousand, three hundred fifty".