321434343223 has 4 divisors (see below), whose sum is σ = 367353535120. Its totient is φ = 275515151328.

The previous prime is 321434343187. The next prime is 321434343233. The reversal of 321434343223 is 322343434123.

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 321434343223 - 2⁹ = 321434342711 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 (321434343233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22959595938 + ... + 22959595951.

It is an arithmetic number, because the mean of its divisors is an integer number (91838383780).

Almost surely, 2^321434343223 is an apocalyptic number.

321434343223 is a deficient number, since it is larger than the sum of its proper divisors (45919191897).

321434343223 is an equidigital number, since it uses as much as digits as its factorization.

321434343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45919191896.

The product of its digits is 124416, while the sum is 34.

Adding to 321434343223 its reverse (322343434123), we get a palindrome (643777777346).

The spelling of 321434343223 in words is "three hundred twenty-one billion, four hundred thirty-four million, three hundred forty-three thousand, two hundred twenty-three".