23645253 has 32 divisors (see below), whose sum is σ = 34560000. Its totient is φ = 14332032.

The previous prime is 23645239. The next prime is 23645263. The reversal of 23645253 is 35254632.

It is not a de Polignac number, because 23645253 - 2⁵ = 23645221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23645253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23645263) 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 31 ways as a sum of consecutive naturals, for example, 265633 + ... + 265721.

It is an arithmetic number, because the mean of its divisors is an integer number (1080000).

Almost surely, 2^23645253 is an apocalyptic number.

It is an amenable number.

23645253 is a deficient number, since it is larger than the sum of its proper divisors (10914747).

23645253 is a wasteful number, since it uses less digits than its factorization.

23645253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249.

The product of its digits is 21600, while the sum is 30.

The square root of 23645253 is about 4862.6384813186. The cubic root of 23645253 is about 287.0216489070.

Adding to 23645253 its reverse (35254632), we get a palindrome (58899885).

The spelling of 23645253 in words is "twenty-three million, six hundred forty-five thousand, two hundred fifty-three".