349342523 has 2 divisors, whose sum is σ = 349342524. Its totient is φ = 349342522.

The previous prime is 349342519. The next prime is 349342549. The reversal of 349342523 is 325243943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349342523 - 2² = 349342519 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (349345523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174671261 + 174671262.

It is an arithmetic number, because the mean of its divisors is an integer number (174671262).

Almost surely, 2^349342523 is an apocalyptic number.

349342523 is a deficient number, since it is larger than the sum of its proper divisors (1).

349342523 is an equidigital number, since it uses as much as digits as its factorization.

349342523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 349342523 is about 18690.7068619675. The cubic root of 349342523 is about 704.2883169043.

The spelling of 349342523 in words is "three hundred forty-nine million, three hundred forty-two thousand, five hundred twenty-three".