23105830721 has 8 divisors (see below), whose sum is σ = 24474958560. Its totient is φ = 21737809728.

The previous prime is 23105830681. The next prime is 23105830723. The reversal of 23105830721 is 12703850132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23105830721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105830723) 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 7 ways as a sum of consecutive naturals, for example, 233531 + ... + 317408.

It is an arithmetic number, because the mean of its divisors is an integer number (3059369820).

Almost surely, 2^23105830721 is an apocalyptic number.

It is an amenable number.

23105830721 is a deficient number, since it is larger than the sum of its proper divisors (1369127839).

23105830721 is a wasteful number, since it uses less digits than its factorization.

23105830721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553423.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 23105830721 in words is "twenty-three billion, one hundred five million, eight hundred thirty thousand, seven hundred twenty-one".