243234524543 has 2 divisors, whose sum is σ = 243234524544. Its totient is φ = 243234524542.

The previous prime is 243234524531. The next prime is 243234524549. The reversal of 243234524543 is 345425432342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243234524543 - 2¹⁶ = 243234459007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243234524543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243234524549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121617262271 + 121617262272.

It is an arithmetic number, because the mean of its divisors is an integer number (121617262272).

Almost surely, 2^243234524543 is an apocalyptic number.

243234524543 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234524543 is an equidigital number, since it uses as much as digits as its factorization.

243234524543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 41.

Adding to 243234524543 its reverse (345425432342), we get a palindrome (588659956885).

The spelling of 243234524543 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred twenty-four thousand, five hundred forty-three".