343440313223 has 8 divisors (see below), whose sum is σ = 397471610880. Its totient is φ = 290651114520.

The previous prime is 343440313207. The next prime is 343440313277. The reversal of 343440313223 is 322313044343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343440313223 - 2⁴ = 343440313207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343440313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343440313823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310524143 + ... + 310525248.

It is an arithmetic number, because the mean of its divisors is an integer number (49683951360).

Almost surely, 2^343440313223 is an apocalyptic number.

343440313223 is a deficient number, since it is larger than the sum of its proper divisors (54031297657).

343440313223 is an equidigital number, since it uses as much as digits as its factorization.

343440313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621049477.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 343440313223 its reverse (322313044343), we get a palindrome (665753357566).

The spelling of 343440313223 in words is "three hundred forty-three billion, four hundred forty million, three hundred thirteen thousand, two hundred twenty-three".