23685541 has 8 divisors (see below), whose sum is σ = 26326944. Its totient is φ = 21125520.

The previous prime is 23685527. The next prime is 23685551. The reversal of 23685541 is 14558632.

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

It is a cyclic number.

It is not a de Polignac number, because 23685541 - 2¹¹ = 23683493 is a prime.

It is a super-2 number, since 2×23685541² = 1122009704925362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23685497 and 23685506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23685511) by changing a digit.

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, 19731 + ... + 20896.

It is an arithmetic number, because the mean of its divisors is an integer number (3290868).

Almost surely, 2^23685541 is an apocalyptic number.

It is an amenable number.

23685541 is a deficient number, since it is larger than the sum of its proper divisors (2641403).

23685541 is a wasteful number, since it uses less digits than its factorization.

23685541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40691.

The product of its digits is 28800, while the sum is 34.

The square root of 23685541 is about 4866.7793251801. The cubic root of 23685541 is about 287.1845705004.

The spelling of 23685541 in words is "twenty-three million, six hundred eighty-five thousand, five hundred forty-one".