23230221 has 8 divisors (see below), whose sum is σ = 35398464. Its totient is φ = 13274400.

The previous prime is 23230219. The next prime is 23230237. The reversal of 23230221 is 12203232.

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

It is not a de Polignac number, because 23230221 - 2¹ = 23230219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553080 + ... + 553121.

It is an arithmetic number, because the mean of its divisors is an integer number (4424808).

Almost surely, 2^23230221 is an apocalyptic number.

23230221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23230221 is a deficient number, since it is larger than the sum of its proper divisors (12168243).

23230221 is a wasteful number, since it uses less digits than its factorization.

23230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106211.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23230221 is about 4819.7739573553. The cubic root of 23230221 is about 285.3324160681.

Adding to 23230221 its reverse (12203232), we get a palindrome (35433453).

The spelling of 23230221 in words is "twenty-three million, two hundred thirty thousand, two hundred twenty-one".