321023314243 has 4 divisors (see below), whose sum is σ = 321027293808. Its totient is φ = 321019334680.

The previous prime is 321023314237. The next prime is 321023314331. The reversal of 321023314243 is 342413320123.

It is a happy number.

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 321023314243 - 2²⁹ = 320486443331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321023324243) 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, 1866223 + ... + 2030968.

It is an arithmetic number, because the mean of its divisors is an integer number (80256823452).

Almost surely, 2^321023314243 is an apocalyptic number.

321023314243 is a deficient number, since it is larger than the sum of its proper divisors (3979565).

321023314243 is an equidigital number, since it uses as much as digits as its factorization.

321023314243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979564.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 321023314243 its reverse (342413320123), we get a palindrome (663436634366).

The spelling of 321023314243 in words is "three hundred twenty-one billion, twenty-three million, three hundred fourteen thousand, two hundred forty-three".