23043209 has 8 divisors (see below), whose sum is σ = 26377920. Its totient is φ = 19719216.

The previous prime is 23043203. The next prime is 23043221. The reversal of 23043209 is 90234032.

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

It is a cyclic number.

It is not a de Polignac number, because 23043209 - 2¹² = 23039113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23043203) 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, 2642 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (3297240).

Almost surely, 2^23043209 is an apocalyptic number.

It is an amenable number.

23043209 is a deficient number, since it is larger than the sum of its proper divisors (3334711).

23043209 is an equidigital number, since it uses as much as digits as its factorization.

23043209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23043209 is about 4800.3342591949. The cubic root of 23043209 is about 284.5646744758.

The spelling of 23043209 in words is "twenty-three million, forty-three thousand, two hundred nine".