204243323625 has 96 divisors (see below), whose sum is σ = 405633032064. Its totient is φ = 98046000000.

The previous prime is 204243323617. The next prime is 204243323653. The reversal of 204243323625 is 526323342402.

204243323625 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 4 + 3 + 3 + 23 + 625 = 666.

It is not a de Polignac number, because 204243323625 - 2³ = 204243323617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204243323625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1168170 + ... + 1331580.

It is an arithmetic number, because the mean of its divisors is an integer number (4225344084).

Almost surely, 2^204243323625 is an apocalyptic number.

204243323625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204243323625 is a deficient number, since it is larger than the sum of its proper divisors (201389708439).

204243323625 is a wasteful number, since it uses less digits than its factorization.

204243323625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163544 (or 163531 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

The spelling of 204243323625 in words is "two hundred four billion, two hundred forty-three million, three hundred twenty-three thousand, six hundred twenty-five".