23524204020666 has 64 divisors (see below), whose sum is σ = 49901229411840. Its totient is φ = 7367517803520.

The previous prime is 23524204020613. The next prime is 23524204020719. The reversal of 23524204020666 is 66602040242532.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23524204020613) and next prime (23524204020719).

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 31 ways as a sum of consecutive naturals, for example, 202319775 + ... + 202436013.

It is an arithmetic number, because the mean of its divisors is an integer number (779706709560).

Almost surely, 2^{23524204020666} is an apocalyptic number.

23524204020666 is an abundant number, since it is smaller than the sum of its proper divisors (26377025391174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23524204020666 is a wasteful number, since it uses less digits than its factorization.

23524204020666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119639.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 23524204020666 in words is "twenty-three trillion, five hundred twenty-four billion, two hundred four million, twenty thousand, six hundred sixty-six".