23165813306 has 8 divisors (see below), whose sum is σ = 34756845984. Its totient is φ = 11580197980.

The previous prime is 23165813287. The next prime is 23165813309. The reversal of 23165813306 is 60331856132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23165813306² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23165813306.

It is not an unprimeable number, because it can be changed into a prime (23165813309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343630 + ... + 1360761.

It is an arithmetic number, because the mean of its divisors is an integer number (4344605748).

Almost surely, 2^23165813306 is an apocalyptic number.

23165813306 is a deficient number, since it is larger than the sum of its proper divisors (11591032678).

23165813306 is a wasteful number, since it uses less digits than its factorization.

23165813306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708676.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 23165813306 in words is "twenty-three billion, one hundred sixty-five million, eight hundred thirteen thousand, three hundred six".