23259985 has 8 divisors (see below), whose sum is σ = 31899456. Its totient is φ = 15949680.

The previous prime is 23259979. The next prime is 23259991. The reversal of 23259985 is 58995232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23259979) and next prime (23259991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23259985 - 2⁵ = 23259953 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 332251 + ... + 332320.

It is an arithmetic number, because the mean of its divisors is an integer number (3987432).

Almost surely, 2^23259985 is an apocalyptic number.

It is an amenable number.

23259985 is a deficient number, since it is larger than the sum of its proper divisors (8639471).

23259985 is an equidigital number, since it uses as much as digits as its factorization.

23259985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664583.

The product of its digits is 194400, while the sum is 43.

The square root of 23259985 is about 4822.8606656216. The cubic root of 23259985 is about 285.4542259225.

The spelling of 23259985 in words is "twenty-three million, two hundred fifty-nine thousand, nine hundred eighty-five".