23627821795 has 4 divisors (see below), whose sum is σ = 28353386160. Its totient is φ = 18902257432.

The previous prime is 23627821793. The next prime is 23627821799. The reversal of 23627821795 is 59712872632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23627821795 - 2¹ = 23627821793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23627821793) 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, 2362782175 + ... + 2362782184.

It is an arithmetic number, because the mean of its divisors is an integer number (7088346540).

Almost surely, 2^23627821795 is an apocalyptic number.

23627821795 is a deficient number, since it is larger than the sum of its proper divisors (4725564365).

23627821795 is an equidigital number, since it uses as much as digits as its factorization.

23627821795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725564364.

The product of its digits is 2540160, while the sum is 52.

The spelling of 23627821795 in words is "twenty-three billion, six hundred twenty-seven million, eight hundred twenty-one thousand, seven hundred ninety-five".