243234424325 has 6 divisors (see below), whose sum is σ = 301610686194. Its totient is φ = 194587539440.

The previous prime is 243234424313. The next prime is 243234424337. The reversal of 243234424325 is 523424432342.

It is an interprime number because it is at equal distance from previous prime (243234424313) and next prime (243234424337).

It can be written as a sum of positive squares in 3 ways, for example, as 40217494849 + 203016929476 = 200543^2 + 450574^2 .

It is not a de Polignac number, because 243234424325 - 2⁴ = 243234424309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4864688462 + ... + 4864688511.

It is an arithmetic number, because the mean of its divisors is an integer number (50268447699).

Almost surely, 2^243234424325 is an apocalyptic number.

243234424325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243234424325 is a deficient number, since it is larger than the sum of its proper divisors (58376261869).

243234424325 is an equidigital number, since it uses as much as digits as its factorization.

243234424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729376983 (or 9729376978 counting only the distinct ones).

The product of its digits is 552960, while the sum is 38.

Adding to 243234424325 its reverse (523424432342), we get a palindrome (766658856667).

The spelling of 243234424325 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred twenty-four thousand, three hundred twenty-five".