23183568520481 has 8 divisors (see below), whose sum is σ = 23475878569704. Its totient is φ = 22892489251200.

The previous prime is 23183568520447. The next prime is 23183568520487. The reversal of 23183568520481 is 18402586538132.

It can be written as a sum of positive squares in 4 ways, for example, as 5009163229456 + 18174405291025 = 2238116^2 + 4263145^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23183568520481 - 2²² = 23183564326177 is a prime.

It is a super-3 number, since 3×23183568520481³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23183568520487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307657076 + ... + 307732421.

It is an arithmetic number, because the mean of its divisors is an integer number (2934484821213).

Almost surely, 2^{23183568520481} is an apocalyptic number.

It is an amenable number.

23183568520481 is a deficient number, since it is larger than the sum of its proper divisors (292310049223).

23183568520481 is a wasteful number, since it uses less digits than its factorization.

23183568520481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615389971.

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 23183568520481 in words is "twenty-three trillion, one hundred eighty-three billion, five hundred sixty-eight million, five hundred twenty thousand, four hundred eighty-one".