97318223 has 2 divisors, whose sum is σ = 97318224. Its totient is φ = 97318222.

The previous prime is 97318213. The next prime is 97318253. The reversal of 97318223 is 32281379.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97318223 - 2¹⁸ = 97056079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97318213) 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, 48659111 + 48659112.

It is an arithmetic number, because the mean of its divisors is an integer number (48659112).

Almost surely, 2^97318223 is an apocalyptic number.

97318223 is a deficient number, since it is larger than the sum of its proper divisors (1).

97318223 is an equidigital number, since it uses as much as digits as its factorization.

97318223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 97318223 is about 9864.9998986315. Note that the first 3 decimals coincide. The cubic root of 97318223 is about 459.9719941992.

The spelling of 97318223 in words is "ninety-seven million, three hundred eighteen thousand, two hundred twenty-three".