23233643 has 4 divisors (see below), whose sum is σ = 23319648. Its totient is φ = 23147640.

The previous prime is 23233621. The next prime is 23233649. The reversal of 23233643 is 34633232.

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 23233643 - 2⁶ = 23233579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23233649) 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 3 ways as a sum of consecutive naturals, for example, 42596 + ... + 43137.

It is an arithmetic number, because the mean of its divisors is an integer number (5829912).

Almost surely, 2^23233643 is an apocalyptic number.

23233643 is a deficient number, since it is larger than the sum of its proper divisors (86005).

23233643 is an equidigital number, since it uses as much as digits as its factorization.

23233643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86004.

The product of its digits is 7776, while the sum is 26.

The square root of 23233643 is about 4820.1289401841. The cubic root of 23233643 is about 285.3464259734.

Adding to 23233643 its reverse (34633232), we get a palindrome (57866875).

The spelling of 23233643 in words is "twenty-three million, two hundred thirty-three thousand, six hundred forty-three".