349477223 has 2 divisors, whose sum is σ = 349477224. Its totient is φ = 349477222.

The previous prime is 349477199. The next prime is 349477267. The reversal of 349477223 is 322774943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349477223 - 2¹⁶ = 349411687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349477523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174738611 + 174738612.

It is an arithmetic number, because the mean of its divisors is an integer number (174738612).

Almost surely, 2^349477223 is an apocalyptic number.

349477223 is a deficient number, since it is larger than the sum of its proper divisors (1).

349477223 is an equidigital number, since it uses as much as digits as its factorization.

349477223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 349477223 is about 18694.3099097025. The cubic root of 349477223 is about 704.3788254450.

The spelling of 349477223 in words is "three hundred forty-nine million, four hundred seventy-seven thousand, two hundred twenty-three".