23663253 has 8 divisors (see below), whose sum is σ = 31655008. Its totient is φ = 15723504.

The previous prime is 23663249. The next prime is 23663293. The reversal of 23663253 is 35236632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23663253 - 2² = 23663249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23663253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23663203) 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 7 ways as a sum of consecutive naturals, for example, 11926 + ... + 13767.

It is an arithmetic number, because the mean of its divisors is an integer number (3956876).

Almost surely, 2^23663253 is an apocalyptic number.

It is an amenable number.

23663253 is a deficient number, since it is larger than the sum of its proper divisors (7991755).

23663253 is a wasteful number, since it uses less digits than its factorization.

23663253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26003.

The product of its digits is 19440, while the sum is 30.

The square root of 23663253 is about 4864.4889762441. The cubic root of 23663253 is about 287.0944623840.

Adding to 23663253 its reverse (35236632), we get a palindrome (58899885).

The spelling of 23663253 in words is "twenty-three million, six hundred sixty-three thousand, two hundred fifty-three".