343485523 has 2 divisors, whose sum is σ = 343485524. Its totient is φ = 343485522.

The previous prime is 343485521. The next prime is 343485529. The reversal of 343485523 is 325584343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343485523 - 2¹ = 343485521 is a prime.

Together with 343485521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (343485521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171742761 + 171742762.

It is an arithmetic number, because the mean of its divisors is an integer number (171742762).

Almost surely, 2^343485523 is an apocalyptic number.

343485523 is a deficient number, since it is larger than the sum of its proper divisors (1).

343485523 is an equidigital number, since it uses as much as digits as its factorization.

343485523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 37.

The square root of 343485523 is about 18533.3624310323. The cubic root of 343485523 is about 700.3301320347.

The spelling of 343485523 in words is "three hundred forty-three million, four hundred eighty-five thousand, five hundred twenty-three".