23896009 has 4 divisors (see below), whose sum is σ = 24666880. Its totient is φ = 23125140.

The previous prime is 23896007. The next prime is 23896027. The reversal of 23896009 is 90069832.

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 23896009 - 2¹ = 23896007 is a prime.

It is a super-2 number, since 2×23896009² = 1142038492256162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23896001) 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, 385389 + ... + 385450.

It is an arithmetic number, because the mean of its divisors is an integer number (6166720).

Almost surely, 2^23896009 is an apocalyptic number.

It is an amenable number.

23896009 is a deficient number, since it is larger than the sum of its proper divisors (770871).

23896009 is an equidigital number, since it uses as much as digits as its factorization.

23896009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770870.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 23896009 is about 4888.3544265939. The cubic root of 23896009 is about 288.0326970657.

The spelling of 23896009 in words is "twenty-three million, eight hundred ninety-six thousand, nine".