23224012009 has 4 divisors (see below), whose sum is σ = 25335285840. Its totient is φ = 21112738180.

The previous prime is 23224011991. The next prime is 23224012033. The reversal of 23224012009 is 90021042232.

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 23224012009 - 2⁵ = 23224011977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23224012039) 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, 1055636899 + ... + 1055636920.

It is an arithmetic number, because the mean of its divisors is an integer number (6333821460).

Almost surely, 2^23224012009 is an apocalyptic number.

It is an amenable number.

23224012009 is a deficient number, since it is larger than the sum of its proper divisors (2111273831).

23224012009 is a wasteful number, since it uses less digits than its factorization.

23224012009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111273830.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 23224012009 in words is "twenty-three billion, two hundred twenty-four million, twelve thousand, nine".