23799722609 has 6 divisors (see below), whose sum is σ = 25771297446. Its totient is φ = 21968974560.

The previous prime is 23799722591. The next prime is 23799722633. The reversal of 23799722609 is 90622799732.

It can be written as a sum of positive squares in 3 ways, for example, as 238393600 + 23561329009 = 15440^2 + 153497^2 .

It is not a de Polignac number, because 23799722609 - 2²⁴ = 23782945393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23799722669) 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 5 ways as a sum of consecutive naturals, for example, 70413212 + ... + 70413549.

It is an arithmetic number, because the mean of its divisors is an integer number (4295216241).

Almost surely, 2^23799722609 is an apocalyptic number.

It is an amenable number.

23799722609 is a deficient number, since it is larger than the sum of its proper divisors (1971574837).

23799722609 is a wasteful number, since it uses less digits than its factorization.

23799722609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826787 (or 140826774 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 23799722609 in words is "twenty-three billion, seven hundred ninety-nine million, seven hundred twenty-two thousand, six hundred nine".