23570985 has 16 divisors (see below), whose sum is σ = 37791936. Its totient is φ = 12545088.

The previous prime is 23570983. The next prime is 23571007. The reversal of 23570985 is 58907532.

It is not a de Polignac number, because 23570985 - 2¹ = 23570983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23570983) 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, 7467 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (2361996).

Almost surely, 2^23570985 is an apocalyptic number.

It is an amenable number.

23570985 is a deficient number, since it is larger than the sum of its proper divisors (14220951).

23570985 is a wasteful number, since it uses less digits than its factorization.

23570985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 23570985 is about 4854.9958805338. The cubic root of 23570985 is about 286.7208291086.

The spelling of 23570985 in words is "twenty-three million, five hundred seventy thousand, nine hundred eighty-five".