243234423530 has 32 divisors (see below), whose sum is σ = 501439476096. Its totient is φ = 83216073024.

The previous prime is 243234423527. The next prime is 243234423541. The reversal of 243234423530 is 35324432342.

243234423530 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687629 + ... + 3753008.

It is an arithmetic number, because the mean of its divisors is an integer number (15669983628).

Almost surely, 2^243234423530 is an apocalyptic number.

243234423530 is an abundant number, since it is smaller than the sum of its proper divisors (258205052566).

243234423530 is a wasteful number, since it uses less digits than its factorization.

243234423530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441118.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 243234423530 its reverse (35324432342), we get a palindrome (278558855872).

The spelling of 243234423530 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred twenty-three thousand, five hundred thirty".