23665650240765 has 32 divisors (see below), whose sum is σ = 40780502171136. Its totient is φ = 11649991265280.

The previous prime is 23665650240733. The next prime is 23665650240871. The reversal of 23665650240765 is 56704205656632.

It is a happy number.

It is not a de Polignac number, because 23665650240765 - 2⁵ = 23665650240733 is a prime.

It is a congruent number.

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, 1229676 + ... + 6988805.

It is an arithmetic number, because the mean of its divisors is an integer number (1274390692848).

Almost surely, 2^{23665650240765} is an apocalyptic number.

It is an amenable number.

23665650240765 is a deficient number, since it is larger than the sum of its proper divisors (17114851930371).

23665650240765 is a wasteful number, since it uses less digits than its factorization.

23665650240765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233269.

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 23665650240765 in words is "twenty-three trillion, six hundred sixty-five billion, six hundred fifty million, two hundred forty thousand, seven hundred sixty-five".