23485585 has 12 divisors (see below), whose sum is σ = 29939868. Its totient is φ = 17682176.

The previous prime is 23485559. The next prime is 23485589. The reversal of 23485585 is 58558432.

It can be written as a sum of positive squares in 6 ways, for example, as 2362369 + 21123216 = 1537^2 + 4596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23485585 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23485589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6682 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (2494989).

Almost surely, 2^23485585 is an apocalyptic number.

It is an amenable number.

23485585 is a deficient number, since it is larger than the sum of its proper divisors (6454283).

23485585 is a wasteful number, since it uses less digits than its factorization.

23485585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292 (or 16275 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 23485585 is about 4846.1928356185. The cubic root of 23485585 is about 286.3741374712.

The spelling of 23485585 in words is "twenty-three million, four hundred eighty-five thousand, five hundred eighty-five".