320641464343 has 8 divisors (see below), whose sum is σ = 323820922880. Its totient is φ = 317477478240.

The previous prime is 320641464233. The next prime is 320641464383. The reversal of 320641464343 is 343464146023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320641464343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320641464296 and 320641464305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320641464383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826455 + ... + 3909352.

It is an arithmetic number, because the mean of its divisors is an integer number (40477615360).

Almost surely, 2^320641464343 is an apocalyptic number.

320641464343 is a deficient number, since it is larger than the sum of its proper divisors (3179458537).

320641464343 is a wasteful number, since it uses less digits than its factorization.

320641464343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736217.

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 320641464343 in words is "three hundred twenty billion, six hundred forty-one million, four hundred sixty-four thousand, three hundred forty-three".