23530685 has 4 divisors (see below), whose sum is σ = 28236828. Its totient is φ = 18824544.

The previous prime is 23530673. The next prime is 23530693. The reversal of 23530685 is 58603532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15155449 + 8375236 = 3893^2 + 2894^2 .

It is a cyclic number.

It is not a de Polignac number, because 23530685 - 2¹⁰ = 23529661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353064 + ... + 2353073.

It is an arithmetic number, because the mean of its divisors is an integer number (7059207).

Almost surely, 2^23530685 is an apocalyptic number.

It is an amenable number.

23530685 is a deficient number, since it is larger than the sum of its proper divisors (4706143).

23530685 is an equidigital number, since it uses as much as digits as its factorization.

23530685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706142.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 23530685 is about 4850.8437410413. The cubic root of 23530685 is about 286.5573309080.

The spelling of 23530685 in words is "twenty-three million, five hundred thirty thousand, six hundred eighty-five".