23960209 has 16 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 18864000.

The previous prime is 23960173. The next prime is 23960213. The reversal of 23960209 is 90206932.

It is a cyclic number.

It is not a de Polignac number, because 23960209 - 2⁹ = 23959697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23960239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22317 + ... + 23365.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 2^23960209 is an apocalyptic number.

It is an amenable number.

23960209 is a deficient number, since it is larger than the sum of its proper divisors (5674991).

23960209 is a wasteful number, since it uses less digits than its factorization.

23960209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23960209 is about 4894.9166489328. The cubic root of 23960209 is about 288.2904132341.

The spelling of 23960209 in words is "twenty-three million, nine hundred sixty thousand, two hundred nine".