349558423 has 2 divisors, whose sum is σ = 349558424. Its totient is φ = 349558422.

The previous prime is 349558399. The next prime is 349558441. The reversal of 349558423 is 324855943.

It is a strong prime.

It is an emirp because it is prime and its reverse (324855943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349558423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349558423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349558463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174779211 + 174779212.

It is an arithmetic number, because the mean of its divisors is an integer number (174779212).

Almost surely, 2^349558423 is an apocalyptic number.

349558423 is a deficient number, since it is larger than the sum of its proper divisors (1).

349558423 is an equidigital number, since it uses as much as digits as its factorization.

349558423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The square root of 349558423 is about 18696.4815673966. The cubic root of 349558423 is about 704.4333746666.

The spelling of 349558423 in words is "three hundred forty-nine million, five hundred fifty-eight thousand, four hundred twenty-three".