243310230450 has 144 divisors (see below), whose sum is σ = 747514525056. Its totient is φ = 55581292800.

The previous prime is 243310230421. The next prime is 243310230467. The reversal of 243310230450 is 54032013342.

243310230450 is a `hidden beast` number, since 2 + 43 + 310 + 2 + 304 + 5 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5594790 + ... + 5638110.

Almost surely, 2^243310230450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243310230450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373757262528).

243310230450 is an abundant number, since it is smaller than the sum of its proper divisors (504204294606).

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

243310230450 is a wasteful number, since it uses less digits than its factorization.

243310230450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45129 (or 45121 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 243310230450 its reverse (54032013342), we get a palindrome (297342243792).

The spelling of 243310230450 in words is "two hundred forty-three billion, three hundred ten million, two hundred thirty thousand, four hundred fifty".