354330343 has 2 divisors, whose sum is σ = 354330344. Its totient is φ = 354330342.

The previous prime is 354330331. The next prime is 354330391. The reversal of 354330343 is 343033453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354330343 - 2¹³ = 354322151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354331343) 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, 177165171 + 177165172.

It is an arithmetic number, because the mean of its divisors is an integer number (177165172).

Almost surely, 2^354330343 is an apocalyptic number.

354330343 is a deficient number, since it is larger than the sum of its proper divisors (1).

354330343 is an equidigital number, since it uses as much as digits as its factorization.

354330343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 28.

The square root of 354330343 is about 18823.6644413355. The cubic root of 354330343 is about 707.6243704993.

Adding to 354330343 its reverse (343033453), we get a palindrome (697363796).

The spelling of 354330343 in words is "three hundred fifty-four million, three hundred thirty thousand, three hundred forty-three".