343223130321 has 12 divisors (see below), whose sum is σ = 496366230672. Its totient is φ = 228538733976.

The previous prime is 343223130233. The next prime is 343223130329. The reversal of 343223130321 is 123031322343.

343223130321 is a `hidden beast` number, since 3 + 4 + 3 + 22 + 313 + 0 + 321 = 666.

It is not a de Polignac number, because 343223130321 - 2¹¹ = 343223128273 is a prime.

It is a super-2 number, since 2×343223130321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343223130329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23049331 + ... + 23064216.

It is an arithmetic number, because the mean of its divisors is an integer number (41363852556).

Almost surely, 2^343223130321 is an apocalyptic number.

It is an amenable number.

343223130321 is a deficient number, since it is larger than the sum of its proper divisors (153143100351).

343223130321 is a wasteful number, since it uses less digits than its factorization.

343223130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46114380 (or 46114377 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 343223130321 its reverse (123031322343), we get a palindrome (466254452664).

The spelling of 343223130321 in words is "three hundred forty-three billion, two hundred twenty-three million, one hundred thirty thousand, three hundred twenty-one".