23975021797 has 4 divisors (see below), whose sum is σ = 24001110880. Its totient is φ = 23948932716.

The previous prime is 23975021779. The next prime is 23975021803. The reversal of 23975021797 is 79712057932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23975021797 - 2⁷ = 23975021669 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 (23975021717) 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 3 ways as a sum of consecutive naturals, for example, 13043163 + ... + 13045000.

It is an arithmetic number, because the mean of its divisors is an integer number (6000277720).

Almost surely, 2^23975021797 is an apocalyptic number.

It is an amenable number.

23975021797 is a deficient number, since it is larger than the sum of its proper divisors (26089083).

23975021797 is an equidigital number, since it uses as much as digits as its factorization.

23975021797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26089082.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 23975021797 in words is "twenty-three billion, nine hundred seventy-five million, twenty-one thousand, seven hundred ninety-seven".