23242209 has 8 divisors (see below), whose sum is σ = 31015872. Its totient is φ = 15481680.

The previous prime is 23242207. The next prime is 23242211. The reversal of 23242209 is 90224232.

It is an interprime number because it is at equal distance from previous prime (23242207) and next prime (23242211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23242209 - 2¹ = 23242207 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23242201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (3876984).

Almost surely, 2^23242209 is an apocalyptic number.

It is an amenable number.

23242209 is a deficient number, since it is larger than the sum of its proper divisors (7773663).

23242209 is a wasteful number, since it uses less digits than its factorization.

23242209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23242209 is about 4821.0174237395. The cubic root of 23242209 is about 285.3814897406.

The spelling of 23242209 in words is "twenty-three million, two hundred forty-two thousand, two hundred nine".