23534985 has 16 divisors (see below), whose sum is σ = 38024064. Its totient is φ = 12429312.

The previous prime is 23534947. The next prime is 23534993. The reversal of 23534985 is 58943532.

It is not a de Polignac number, because 23534985 - 2⁷ = 23534857 is a prime.

It is an unprimeable number.

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, 6072 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (2376504).

Almost surely, 2^23534985 is an apocalyptic number.

It is an amenable number.

23534985 is a deficient number, since it is larger than the sum of its proper divisors (14489079).

23534985 is a wasteful number, since it uses less digits than its factorization.

23534985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15344.

The product of its digits is 129600, while the sum is 39.

The square root of 23534985 is about 4851.2869426576. The cubic root of 23534985 is about 286.5747850178.

The spelling of 23534985 in words is "twenty-three million, five hundred thirty-four thousand, nine hundred eighty-five".