23730073666 has 32 divisors (see below), whose sum is σ = 38821265280. Its totient is φ = 10813073664.

The previous prime is 23730073663. The next prime is 23730073681. The reversal of 23730073666 is 66637003732.

It is not an unprimeable number, because it can be changed into a prime (23730073663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4397466 + ... + 4402858.

It is an arithmetic number, because the mean of its divisors is an integer number (1213164540).

Almost surely, 2^23730073666 is an apocalyptic number.

23730073666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23730073666 is a deficient number, since it is larger than the sum of its proper divisors (15091191614).

23730073666 is a wasteful number, since it uses less digits than its factorization.

23730073666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 571536, while the sum is 43.

The spelling of 23730073666 in words is "twenty-three billion, seven hundred thirty million, seventy-three thousand, six hundred sixty-six".