343121234223 has 16 divisors (see below), whose sum is σ = 460303635456. Its totient is φ = 227343573600.

The previous prime is 343121234191. The next prime is 343121234273. The reversal of 343121234223 is 322432121343.

It is a happy number.

It is not a de Polignac number, because 343121234223 - 2⁵ = 343121234191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343121234273) 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 15 ways as a sum of consecutive naturals, for example, 3534765 + ... + 3630537.

It is an arithmetic number, because the mean of its divisors is an integer number (28768977216).

Almost surely, 2^343121234223 is an apocalyptic number.

343121234223 is a deficient number, since it is larger than the sum of its proper divisors (117182401233).

343121234223 is a wasteful number, since it uses less digits than its factorization.

343121234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103094.

The product of its digits is 20736, while the sum is 30.

Adding to 343121234223 its reverse (322432121343), we get a palindrome (665553355566).

The spelling of 343121234223 in words is "three hundred forty-three billion, one hundred twenty-one million, two hundred thirty-four thousand, two hundred twenty-three".