23523263 has 4 divisors (see below), whose sum is σ = 24334440. Its totient is φ = 22712088.

The previous prime is 23523259. The next prime is 23523281. The reversal of 23523263 is 36232532.

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 23523263 - 2² = 23523259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405545 + ... + 405602.

It is an arithmetic number, because the mean of its divisors is an integer number (6083610).

Almost surely, 2^23523263 is an apocalyptic number.

23523263 is a deficient number, since it is larger than the sum of its proper divisors (811177).

23523263 is an equidigital number, since it uses as much as digits as its factorization.

23523263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811176.

The product of its digits is 6480, while the sum is 26.

The square root of 23523263 is about 4850.0786591560. The cubic root of 23523263 is about 286.5271992996.

Adding to 23523263 its reverse (36232532), we get a palindrome (59755795).

The spelling of 23523263 in words is "twenty-three million, five hundred twenty-three thousand, two hundred sixty-three".