23212243 has 8 divisors (see below), whose sum is σ = 24779520. Its totient is φ = 21679560.

The previous prime is 23212207. The next prime is 23212247. The reversal of 23212243 is 34221232.

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

It is a cyclic number.

It is not a de Polignac number, because 23212243 - 2⁹ = 23211731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23212243.

It is not an unprimeable number, because it can be changed into a prime (23212247) 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, 7255 + ... + 9952.

It is an arithmetic number, because the mean of its divisors is an integer number (3097440).

Almost surely, 2^23212243 is an apocalyptic number.

23212243 is a deficient number, since it is larger than the sum of its proper divisors (1567277).

23212243 is a wasteful number, since it uses less digits than its factorization.

23212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297.

The product of its digits is 576, while the sum is 19.

The square root of 23212243 is about 4817.9085711541. The cubic root of 23212243 is about 285.2587902791.

Adding to 23212243 its reverse (34221232), we get a palindrome (57433475).

The spelling of 23212243 in words is "twenty-three million, two hundred twelve thousand, two hundred forty-three".