340223331343 has 4 divisors (see below), whose sum is σ = 388826664400. Its totient is φ = 291619998288.

The previous prime is 340223331289. The next prime is 340223331347. The reversal of 340223331343 is 343133322043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340223331343 - 2²¹ = 340221234191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340223331347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24301666518 + ... + 24301666531.

It is an arithmetic number, because the mean of its divisors is an integer number (97206666100).

Almost surely, 2^340223331343 is an apocalyptic number.

340223331343 is a deficient number, since it is larger than the sum of its proper divisors (48603333057).

340223331343 is an equidigital number, since it uses as much as digits as its factorization.

340223331343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48603333056.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 340223331343 its reverse (343133322043), we get a palindrome (683356653386).

The spelling of 340223331343 in words is "three hundred forty billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred forty-three".