23163565757565 has 16 divisors (see below), whose sum is σ = 37062691300800. Its totient is φ = 12353573041152.

The previous prime is 23163565757509. The next prime is 23163565757597. The reversal of 23163565757565 is 56575756536132.

It is not a de Polignac number, because 23163565757565 - 2⁸ = 23163565757309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23163565757496 and 23163565757505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19960420 + ... + 21088989.

It is an arithmetic number, because the mean of its divisors is an integer number (2316418206300).

Almost surely, 2^{23163565757565} is an apocalyptic number.

It is an amenable number.

23163565757565 is a deficient number, since it is larger than the sum of its proper divisors (13899125543235).

23163565757565 is a wasteful number, since it uses less digits than its factorization.

23163565757565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41087036.

The product of its digits is 595350000, while the sum is 66.

The spelling of 23163565757565 in words is "twenty-three trillion, one hundred sixty-three billion, five hundred sixty-five million, seven hundred fifty-seven thousand, five hundred sixty-five".