343403611 has 2 divisors, whose sum is σ = 343403612. Its totient is φ = 343403610.

The previous prime is 343403597. The next prime is 343403617. The reversal of 343403611 is 116304343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343403611 - 2¹³ = 343395419 is a prime.

It is not a weakly prime, because it can be changed into another prime (343403617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171701805 + 171701806.

It is an arithmetic number, because the mean of its divisors is an integer number (171701806).

Almost surely, 2^343403611 is an apocalyptic number.

343403611 is a deficient number, since it is larger than the sum of its proper divisors (1).

343403611 is an equidigital number, since it uses as much as digits as its factorization.

343403611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 343403611 is about 18531.1524466235. The cubic root of 343403611 is about 700.2744576820.

Adding to 343403611 its reverse (116304343), we get a palindrome (459707954).

The spelling of 343403611 in words is "three hundred forty-three million, four hundred three thousand, six hundred eleven".