23530689 has 64 divisors (see below), whose sum is σ = 43886080. Its totient is φ = 12130560.

The previous prime is 23530673. The next prime is 23530693. The reversal of 23530689 is 98603532.

It is not a de Polignac number, because 23530689 - 2⁴ = 23530673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23530609) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 149799 + ... + 149955.

It is an arithmetic number, because the mean of its divisors is an integer number (685720).

Almost surely, 2^23530689 is an apocalyptic number.

It is an amenable number.

23530689 is a deficient number, since it is larger than the sum of its proper divisors (20355391).

23530689 is a wasteful number, since it uses less digits than its factorization.

23530689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23530689 is about 4850.8441533407. The cubic root of 23530689 is about 286.5573471454.

The spelling of 23530689 in words is "twenty-three million, five hundred thirty thousand, six hundred eighty-nine".