243234324225 has 48 divisors (see below), whose sum is σ = 473114629440. Its totient is φ = 122094086400.

The previous prime is 243234324217. The next prime is 243234324233. The reversal of 243234324225 is 522423432342.

243234324225 is a `hidden beast` number, since 2 + 4 + 323 + 4 + 324 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (243234324217) and next prime (243234324233).

It is not a de Polignac number, because 243234324225 - 2³ = 243234324217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243234324225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10586971 + ... + 10609920.

It is an arithmetic number, because the mean of its divisors is an integer number (9856554780).

Almost surely, 2^243234324225 is an apocalyptic number.

243234324225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243234324225 is a deficient number, since it is larger than the sum of its proper divisors (229880305215).

243234324225 is a wasteful number, since it uses less digits than its factorization.

243234324225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196927 (or 21196916 counting only the distinct ones).

The product of its digits is 276480, while the sum is 36.

Adding to 243234324225 its reverse (522423432342), we get a palindrome (765657756567).

The spelling of 243234324225 in words is "two hundred forty-three billion, two hundred thirty-four million, three hundred twenty-four thousand, two hundred twenty-five".