243430410320 has 120 divisors (see below), whose sum is σ = 587910701664. Its totient is φ = 93734577664.

The previous prime is 243430410269. The next prime is 243430410329. The reversal of 243430410320 is 23014034342.

It is a self number, because there is not a number n which added to its sum of digits gives 243430410320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243430410329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23340947 + ... + 23351373.

Almost surely, 2^243430410320 is an apocalyptic number.

243430410320 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 243430410320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293955350832).

243430410320 is an abundant number, since it is smaller than the sum of its proper divisors (344480291344).

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

243430410320 is a wasteful number, since it uses less digits than its factorization.

243430410320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243430410320 its reverse (23014034342), we get a palindrome (266444444662).

The spelling of 243430410320 in words is "two hundred forty-three billion, four hundred thirty million, four hundred ten thousand, three hundred twenty".