23715135 has 24 divisors (see below), whose sum is σ = 43271280. Its totient is φ = 11981952.

The previous prime is 23715053. The next prime is 23715137. The reversal of 23715135 is 53151732.

It is not a de Polignac number, because 23715135 - 2⁹ = 23714623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23715099 and 23715108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23715137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13014 + ... + 14723.

It is an arithmetic number, because the mean of its divisors is an integer number (1802970).

Almost surely, 2^23715135 is an apocalyptic number.

23715135 is a deficient number, since it is larger than the sum of its proper divisors (19556145).

23715135 is a wasteful number, since it uses less digits than its factorization.

23715135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27767 (or 27764 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 23715135 is about 4869.8187851295. The cubic root of 23715135 is about 287.3041287147.

Adding to 23715135 its reverse (53151732), we get a palindrome (76866867).

The spelling of 23715135 in words is "twenty-three million, seven hundred fifteen thousand, one hundred thirty-five".