23646666325 has 6 divisors (see below), whose sum is σ = 29321866274. Its totient is φ = 18917333040.

The previous prime is 23646666259. The next prime is 23646666347. The reversal of 23646666325 is 52366664632.

It can be written as a sum of positive squares in 3 ways, for example, as 27279729 + 23619386596 = 5223^2 + 153686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23646666325 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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472933302 + ... + 472933351.

Almost surely, 2^23646666325 is an apocalyptic number.

23646666325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23646666325 is a deficient number, since it is larger than the sum of its proper divisors (5675199949).

23646666325 is an equidigital number, since it uses as much as digits as its factorization.

23646666325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945866663 (or 945866658 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 49.

The spelling of 23646666325 in words is "twenty-three billion, six hundred forty-six million, six hundred sixty-six thousand, three hundred twenty-five".