23203213 has 8 divisors (see below), whose sum is σ = 25469856. Its totient is φ = 20962800.

The previous prime is 23203207. The next prime is 23203223. The reversal of 23203213 is 31230232.

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 23203213 - 2⁹ = 23202701 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 (23203223) 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, 4678 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (3183732).

Almost surely, 2^23203213 is an apocalyptic number.

It is an amenable number.

23203213 is a deficient number, since it is larger than the sum of its proper divisors (2266643).

23203213 is a wasteful number, since it uses less digits than its factorization.

23203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23203213 is about 4816.9713513784. The cubic root of 23203213 is about 285.2217951329.

Adding to 23203213 its reverse (31230232), we get a palindrome (54433445).

The spelling of 23203213 in words is "twenty-three million, two hundred three thousand, two hundred thirteen".