23356913566789 has 16 divisors (see below), whose sum is σ = 25829644979520. Its totient is φ = 20942418879360.

The previous prime is 23356913566781. The next prime is 23356913566813. The reversal of 23356913566789 is 98766531965332.

It is not a de Polignac number, because 23356913566789 - 2³ = 23356913566781 is a prime.

It is a super-3 number, since 3×23356913566789³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23356913566781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89281027 + ... + 89542255.

It is an arithmetic number, because the mean of its divisors is an integer number (1614352811220).

Almost surely, 2^{23356913566789} is an apocalyptic number.

It is an amenable number.

23356913566789 is a deficient number, since it is larger than the sum of its proper divisors (2472731412731).

23356913566789 is a wasteful number, since it uses less digits than its factorization.

23356913566789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372660.

The product of its digits is 1322697600, while the sum is 73.

The spelling of 23356913566789 in words is "twenty-three trillion, three hundred fifty-six billion, nine hundred thirteen million, five hundred sixty-six thousand, seven hundred eighty-nine".