322718423543 has 4 divisors (see below), whose sum is σ = 341701860240. Its totient is φ = 303734986848.

The previous prime is 322718423519. The next prime is 322718423557. The reversal of 322718423543 is 345324817223.

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 322718423543 - 2¹⁶ = 322718358007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322718423494 and 322718423503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322718423243) 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, 9491718323 + ... + 9491718356.

It is an arithmetic number, because the mean of its divisors is an integer number (85425465060).

Almost surely, 2^322718423543 is an apocalyptic number.

322718423543 is a deficient number, since it is larger than the sum of its proper divisors (18983436697).

322718423543 is a wasteful number, since it uses less digits than its factorization.

322718423543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983436696.

The product of its digits is 967680, while the sum is 44.

The spelling of 322718423543 in words is "three hundred twenty-two billion, seven hundred eighteen million, four hundred twenty-three thousand, five hundred forty-three".