23532209 has 8 divisors (see below), whose sum is σ = 24292320. Its totient is φ = 22784256.

The previous prime is 23532181. The next prime is 23532221. The reversal of 23532209 is 90223532.

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 23532209 - 2⁸ = 23531953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23532109) 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, 977 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (3036540).

Almost surely, 2^23532209 is an apocalyptic number.

It is an amenable number.

23532209 is a deficient number, since it is larger than the sum of its proper divisors (760111).

23532209 is an equidigital number, since it uses as much as digits as its factorization.

23532209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23532209 is about 4851.0008245722. Note that the first 3 decimals coincide. The cubic root of 23532209 is about 286.5635172125.

The spelling of 23532209 in words is "twenty-three million, five hundred thirty-two thousand, two hundred nine".