243425143430000 has 300 divisors, whose sum is σ = 685679552807040. Its totient is φ = 83447699328000.

The previous prime is 243425143429907. The next prime is 243425143430039. The reversal of 243425143430000 is 34341524342.

243425143430000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3689177009 + ... + 3689242991.

Almost surely, 2^{243425143430000} is an apocalyptic number.

243425143430000 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 243425143430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342839776403520).

243425143430000 is an abundant number, since it is smaller than the sum of its proper divisors (442254409377040).

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

243425143430000 is an equidigital number, since it uses as much as digits as its factorization.

243425143430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73554 (or 73526 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 243425143430000 its reverse (34341524342), we get a palindrome (243459484954342).

The spelling of 243425143430000 in words is "two hundred forty-three trillion, four hundred twenty-five billion, one hundred forty-three million, four hundred thirty thousand".