243310023225 has 36 divisors (see below), whose sum is σ = 435824188800. Its totient is φ = 129756739680.

The previous prime is 243310023199. The next prime is 243310023277. The reversal of 243310023225 is 522320013342.

243310023225 is a `hidden beast` number, since 2 + 4 + 331 + 0 + 0 + 2 + 322 + 5 = 666.

It is not a de Polignac number, because 243310023225 - 2⁷ = 243310023097 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 4825696 + ... + 4875854.

Almost surely, 2^243310023225 is an apocalyptic number.

243310023225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243310023225 is a deficient number, since it is larger than the sum of its proper divisors (192514165575).

243310023225 is a wasteful number, since it uses less digits than its factorization.

243310023225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71734 (or 71726 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 243310023225 its reverse (522320013342), we get a palindrome (765630036567).

The spelling of 243310023225 in words is "two hundred forty-three billion, three hundred ten million, twenty-three thousand, two hundred twenty-five".