23813853 has 12 divisors (see below), whose sum is σ = 36936000. Its totient is φ = 13607832.

The previous prime is 23813837. The next prime is 23813857. The reversal of 23813853 is 35831832.

It is not a de Polignac number, because 23813853 - 2⁴ = 23813837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813857) 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 11 ways as a sum of consecutive naturals, for example, 80853 + ... + 81146.

It is an arithmetic number, because the mean of its divisors is an integer number (3078000).

Almost surely, 2^23813853 is an apocalyptic number.

It is an amenable number.

23813853 is a deficient number, since it is larger than the sum of its proper divisors (13122147).

23813853 is a wasteful number, since it uses less digits than its factorization.

23813853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162016 (or 162009 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 23813853 is about 4879.9439545962. The cubic root of 23813853 is about 287.7022264673.

The spelling of 23813853 in words is "twenty-three million, eight hundred thirteen thousand, eight hundred fifty-three".