23849213 has 2 divisors, whose sum is σ = 23849214. Its totient is φ = 23849212.

The previous prime is 23849209. The next prime is 23849227. The reversal of 23849213 is 31294832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 597529 = 4822^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 23849213 - 2² = 23849209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23849213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23849233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11924606 + 11924607.

It is an arithmetic number, because the mean of its divisors is an integer number (11924607).

Almost surely, 2^23849213 is an apocalyptic number.

It is an amenable number.

23849213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849213 is an equidigital number, since it uses as much as digits as its factorization.

23849213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 23849213 is about 4883.5656031224. The cubic root of 23849213 is about 287.8445542639.

The spelling of 23849213 in words is "twenty-three million, eight hundred forty-nine thousand, two hundred thirteen".