345323543 has 2 divisors, whose sum is σ = 345323544. Its totient is φ = 345323542.

The previous prime is 345323521. The next prime is 345323549.

345323543 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 345323543 - 2¹⁰ = 345322519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345323549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172661771 + 172661772.

It is an arithmetic number, because the mean of its divisors is an integer number (172661772).

Almost surely, 2^345323543 is an apocalyptic number.

345323543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345323543 is an equidigital number, since it uses as much as digits as its factorization.

345323543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 32.

The square root of 345323543 is about 18582.8830647992. The cubic root of 345323543 is about 701.5770856864.

The spelling of 345323543 in words is "three hundred forty-five million, three hundred twenty-three thousand, five hundred forty-three".