340065223 has 4 divisors (see below), whose sum is σ = 351791640. Its totient is φ = 328338808.

The previous prime is 340065181. The next prime is 340065239. The reversal of 340065223 is 322560043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340065223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340065293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5863165 + ... + 5863222.

It is an arithmetic number, because the mean of its divisors is an integer number (87947910).

Almost surely, 2^340065223 is an apocalyptic number.

340065223 is a deficient number, since it is larger than the sum of its proper divisors (11726417).

340065223 is a wasteful number, since it uses less digits than its factorization.

340065223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726416.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 340065223 is about 18440.8574366812. The cubic root of 340065223 is about 697.9978318392.

The spelling of 340065223 in words is "three hundred forty million, sixty-five thousand, two hundred twenty-three".