321065263162443 has 4 divisors (see below), whose sum is σ = 428087017549928. Its totient is φ = 214043508774960.

The previous prime is 321065263162433. The next prime is 321065263162487. The reversal of 321065263162443 is 344261362560123.

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

It is not a de Polignac number, because 321065263162443 - 2²⁶ = 321065196053579 is a prime.

It is a super-2 number, since 2×321065263162443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321065263162392 and 321065263162401.

It is not an unprimeable number, because it can be changed into a prime (321065263162433) 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, 53510877193738 + ... + 53510877193743.

It is an arithmetic number, because the mean of its divisors is an integer number (107021754387482).

Almost surely, 2^{321065263162443} is an apocalyptic number.

321065263162443 is a deficient number, since it is larger than the sum of its proper divisors (107021754387485).

321065263162443 is a wasteful number, since it uses less digits than its factorization.

321065263162443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107021754387484.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 321065263162443 in words is "three hundred twenty-one trillion, sixty-five billion, two hundred sixty-three million, one hundred sixty-two thousand, four hundred forty-three".