321430342102343 has 4 divisors (see below), whose sum is σ = 323961289678080. Its totient is φ = 318899394526608.

The previous prime is 321430342102319. The next prime is 321430342102367. The reversal of 321430342102343 is 343201243034123.

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

It is an interprime number because it is at equal distance from previous prime (321430342102319) and next prime (321430342102367).

It is a cyclic number.

It is not a de Polignac number, because 321430342102343 - 2²⁸ = 321430073666887 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 (321430342102393) 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, 1265473787678 + ... + 1265473787931.

It is an arithmetic number, because the mean of its divisors is an integer number (80990322419520).

Almost surely, 2^{321430342102343} is an apocalyptic number.

321430342102343 is a deficient number, since it is larger than the sum of its proper divisors (2530947575737).

321430342102343 is a wasteful number, since it uses less digits than its factorization.

321430342102343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530947575736.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 321430342102343 its reverse (343201243034123), we get a palindrome (664631585136466).

The spelling of 321430342102343 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred forty-two million, one hundred two thousand, three hundred forty-three".