23450213 has 2 divisors, whose sum is σ = 23450214. Its totient is φ = 23450212.

The previous prime is 23450209. The next prime is 23450233. The reversal of 23450213 is 31205432.

It is a happy number.

It is an a-pointer prime, because the next prime (23450233) can be obtained adding 23450213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20994724 + 2455489 = 4582^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 23450213 - 2² = 23450209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23450233) 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 as a sum of consecutive naturals, namely, 11725106 + 11725107.

It is an arithmetic number, because the mean of its divisors is an integer number (11725107).

Almost surely, 2^23450213 is an apocalyptic number.

It is an amenable number.

23450213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450213 is an equidigital number, since it uses as much as digits as its factorization.

23450213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23450213 is about 4842.5419977528. The cubic root of 23450213 is about 286.2302944044.

Adding to 23450213 its reverse (31205432), we get a palindrome (54655645).

The spelling of 23450213 in words is "twenty-three million, four hundred fifty thousand, two hundred thirteen".