23685448 has 8 divisors (see below), whose sum is σ = 44410230. Its totient is φ = 11842720.

The previous prime is 23685433. The next prime is 23685451. The reversal of 23685448 is 84458632.

It can be written as a sum of positive squares in only one way, i.e., 14577124 + 9108324 = 3818^2 + 3018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23685448² = 1122000893921408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23685448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480333 + ... + 1480348.

Almost surely, 2^23685448 is an apocalyptic number.

It is an amenable number.

23685448 is a deficient number, since it is larger than the sum of its proper divisors (20724782).

23685448 is a wasteful number, since it uses less digits than its factorization.

23685448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960687 (or 2960683 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 23685448 is about 4866.7697705973. The cubic root of 23685448 is about 287.1841946284.

The spelling of 23685448 in words is "twenty-three million, six hundred eighty-five thousand, four hundred forty-eight".