23044972809 has 4 divisors (see below), whose sum is σ = 30726630416. Its totient is φ = 15363315204.

The previous prime is 23044972793. The next prime is 23044972817. The reversal of 23044972809 is 90827944032.

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 not a de Polignac number, because 23044972809 - 2⁴ = 23044972793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23044972859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840828799 + ... + 3840828804.

It is an arithmetic number, because the mean of its divisors is an integer number (7681657604).

Almost surely, 2^23044972809 is an apocalyptic number.

It is an amenable number.

23044972809 is a deficient number, since it is larger than the sum of its proper divisors (7681657607).

23044972809 is an equidigital number, since it uses as much as digits as its factorization.

23044972809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681657606.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 23044972809 in words is "twenty-three billion, forty-four million, nine hundred seventy-two thousand, eight hundred nine".