23605213 has 2 divisors, whose sum is σ = 23605214. Its totient is φ = 23605212.

The previous prime is 23605189. The next prime is 23605243. The reversal of 23605213 is 31250632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 2647129 = 4578^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 23605213 - 2⁹ = 23604701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23605243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11802606 + 11802607.

It is an arithmetic number, because the mean of its divisors is an integer number (11802607).

Almost surely, 2^23605213 is an apocalyptic number.

It is an amenable number.

23605213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23605213 is an equidigital number, since it uses as much as digits as its factorization.

23605213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23605213 is about 4858.5196305047. The cubic root of 23605213 is about 286.8595467458.

Adding to 23605213 its reverse (31250632), we get a palindrome (54855845).

The spelling of 23605213 in words is "twenty-three million, six hundred five thousand, two hundred thirteen".