23306241721 has 8 divisors (see below), whose sum is σ = 26644010240. Its totient is φ = 19970549568.

The previous prime is 23306241709. The next prime is 23306241727. The reversal of 23306241721 is 12714260332.

It is a happy number.

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 23306241721 - 2⁵ = 23306241689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23306241727) 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, 494961 + ... + 539998.

It is an arithmetic number, because the mean of its divisors is an integer number (3330501280).

Almost surely, 2^23306241721 is an apocalyptic number.

It is an amenable number.

23306241721 is a deficient number, since it is larger than the sum of its proper divisors (3337768519).

23306241721 is a wasteful number, since it uses less digits than its factorization.

23306241721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038183.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 23306241721 in words is "twenty-three billion, three hundred six million, two hundred forty-one thousand, seven hundred twenty-one".