23530135 has 4 divisors (see below), whose sum is σ = 28236168. Its totient is φ = 18824104.

The previous prime is 23530121. The next prime is 23530141. The reversal of 23530135 is 53103532.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23530135 - 2⁷ = 23530007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2353009 + ... + 2353018.

It is an arithmetic number, because the mean of its divisors is an integer number (7059042).

Almost surely, 2^23530135 is an apocalyptic number.

23530135 is a deficient number, since it is larger than the sum of its proper divisors (4706033).

23530135 is an equidigital number, since it uses as much as digits as its factorization.

23530135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706032.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 23530135 is about 4850.7870495415. The cubic root of 23530135 is about 286.5550982523. Note that the first 3 decimals are identical.

Adding to 23530135 its reverse (53103532), we get a palindrome (76633667).

The spelling of 23530135 in words is "twenty-three million, five hundred thirty thousand, one hundred thirty-five".