340606223 has 2 divisors, whose sum is σ = 340606224. Its totient is φ = 340606222.

The previous prime is 340606219. The next prime is 340606243. The reversal of 340606223 is 322606043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340606223 - 2² = 340606219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340606192 and 340606201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340606243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170303111 + 170303112.

It is an arithmetic number, because the mean of its divisors is an integer number (170303112).

Almost surely, 2^340606223 is an apocalyptic number.

340606223 is a deficient number, since it is larger than the sum of its proper divisors (1).

340606223 is an equidigital number, since it uses as much as digits as its factorization.

340606223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 340606223 is about 18455.5201227167. The cubic root of 340606223 is about 698.3677773003.

The spelling of 340606223 in words is "three hundred forty million, six hundred six thousand, two hundred twenty-three".