23985607 has 4 divisors (see below), whose sum is σ = 24033240. Its totient is φ = 23937976.

The previous prime is 23985571. The next prime is 23985617. The reversal of 23985607 is 70658932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23985607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23985607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23053 + ... + 24070.

It is an arithmetic number, because the mean of its divisors is an integer number (6008310).

Almost surely, 2^23985607 is an apocalyptic number.

23985607 is a deficient number, since it is larger than the sum of its proper divisors (47633).

23985607 is an equidigital number, since it uses as much as digits as its factorization.

23985607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47632.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23985607 is about 4897.5102858493. The cubic root of 23985607 is about 288.3922405918.

The spelling of 23985607 in words is "twenty-three million, nine hundred eighty-five thousand, six hundred seven".