23230213 has 2 divisors, whose sum is σ = 23230214. Its totient is φ = 23230212.

The previous prime is 23230169. The next prime is 23230219. The reversal of 23230213 is 31203232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21687649 + 1542564 = 4657^2 + 1242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23230213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615106 + 11615107.

It is an arithmetic number, because the mean of its divisors is an integer number (11615107).

Almost surely, 2^23230213 is an apocalyptic number.

It is an amenable number.

23230213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230213 is an equidigital number, since it uses as much as digits as its factorization.

23230213 is an evil number, because the sum of its binary digits is even.

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

The square root of 23230213 is about 4819.7731274408. The cubic root of 23230213 is about 285.3323833139.

Adding to 23230213 its reverse (31203232), we get a palindrome (54433445).

The spelling of 23230213 in words is "twenty-three million, two hundred thirty thousand, two hundred thirteen".