23232722009 has 4 divisors (see below), whose sum is σ = 26551682304. Its totient is φ = 19913761716.

The previous prime is 23232721999. The next prime is 23232722047. The reversal of 23232722009 is 90022723232.

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 23232722009 - 2³² = 18937754713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23232722099) 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, 1659480137 + ... + 1659480150.

It is an arithmetic number, because the mean of its divisors is an integer number (6637920576).

Almost surely, 2^23232722009 is an apocalyptic number.

It is an amenable number.

23232722009 is a deficient number, since it is larger than the sum of its proper divisors (3318960295).

23232722009 is an equidigital number, since it uses as much as digits as its factorization.

23232722009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318960294.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 23232722009 in words is "twenty-three billion, two hundred thirty-two million, seven hundred twenty-two thousand, nine".