223670897 has 2 divisors, whose sum is σ = 223670898. Its totient is φ = 223670896.

The previous prime is 223670891. The next prime is 223670899. The reversal of 223670897 is 798076322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218330176 + 5340721 = 14776^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 223670897 - 2⁶ = 223670833 is a prime.

Together with 223670899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223670891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111835448 + 111835449.

It is an arithmetic number, because the mean of its divisors is an integer number (111835449).

Almost surely, 2^223670897 is an apocalyptic number.

It is an amenable number.

223670897 is a deficient number, since it is larger than the sum of its proper divisors (1).

223670897 is an equidigital number, since it uses as much as digits as its factorization.

223670897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 223670897 is about 14955.6309462356. The cubic root of 223670897 is about 607.0202228398.

The spelling of 223670897 in words is "two hundred twenty-three million, six hundred seventy thousand, eight hundred ninety-seven".