23313907768321 has 8 divisors (see below), whose sum is σ = 24688728999720. Its totient is φ = 21939465969408.

The previous prime is 23313907768271. The next prime is 23313907768351. The reversal of 23313907768321 is 12386770931332.

It can be written as a sum of positive squares in 4 ways, for example, as 14159416410000 + 9154491358321 = 3762900^2 + 3025639^2 .

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 23313907768321 - 2⁹ = 23313907767809 is a prime.

It is a super-2 number, since 2×23313907768321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313907768351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94731606 + ... + 94977391.

It is an arithmetic number, because the mean of its divisors is an integer number (3086091124965).

Almost surely, 2^{23313907768321} is an apocalyptic number.

It is an amenable number.

23313907768321 is a deficient number, since it is larger than the sum of its proper divisors (1374821231399).

23313907768321 is a wasteful number, since it uses less digits than its factorization.

23313907768321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189716243.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 23313907768321 in words is "twenty-three trillion, three hundred thirteen billion, nine hundred seven million, seven hundred sixty-eight thousand, three hundred twenty-one".