347784223 has 2 divisors, whose sum is σ = 347784224. Its totient is φ = 347784222.

The previous prime is 347784221. The next prime is 347784233. The reversal of 347784223 is 322487743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 347784223 - 2¹ = 347784221 is a prime.

Together with 347784221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347784221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173892111 + 173892112.

It is an arithmetic number, because the mean of its divisors is an integer number (173892112).

Almost surely, 2^347784223 is an apocalyptic number.

347784223 is a deficient number, since it is larger than the sum of its proper divisors (1).

347784223 is an equidigital number, since it uses as much as digits as its factorization.

347784223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The square root of 347784223 is about 18648.9737787365. The cubic root of 347784223 is about 703.2395578625.

The spelling of 347784223 in words is "three hundred forty-seven million, seven hundred eighty-four thousand, two hundred twenty-three".