321145532343 has 12 divisors (see below), whose sum is σ = 464192247168. Its totient is φ = 213951467520.

The previous prime is 321145532173. The next prime is 321145532369. The reversal of 321145532343 is 343235541123.

321145532343 is a `hidden beast` number, since 3 + 2 + 114 + 5 + 532 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 321145532343 - 2⁸ = 321145532087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321145532298 and 321145532307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321145032343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12115530 + ... + 12142007.

It is an arithmetic number, because the mean of its divisors is an integer number (38682687264).

Almost surely, 2^321145532343 is an apocalyptic number.

321145532343 is a deficient number, since it is larger than the sum of its proper divisors (143046714825).

321145532343 is a wasteful number, since it uses less digits than its factorization.

321145532343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24259014 (or 24259011 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 321145532343 in words is "three hundred twenty-one billion, one hundred forty-five million, five hundred thirty-two thousand, three hundred forty-three".