23971925909 has 8 divisors (see below), whose sum is σ = 25239012480. Its totient is φ = 22705380000.

The previous prime is 23971925903. The next prime is 23971925959. The reversal of 23971925909 is 90952917932.

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

It is a de Polignac number, because none of the positive numbers 2^k-23971925909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23971925903) 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, 42512 + ... + 223049.

It is an arithmetic number, because the mean of its divisors is an integer number (3154876560).

Almost surely, 2^23971925909 is an apocalyptic number.

It is an amenable number.

23971925909 is a deficient number, since it is larger than the sum of its proper divisors (1267086571).

23971925909 is a wasteful number, since it uses less digits than its factorization.

23971925909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270331.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 23971925909 in words is "twenty-three billion, nine hundred seventy-one million, nine hundred twenty-five thousand, nine hundred nine".