321232321243 has 2 divisors, whose sum is σ = 321232321244. Its totient is φ = 321232321242.

The previous prime is 321232321217. The next prime is 321232321259. The reversal of 321232321243 is 342123232123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321232321243 - 2⁵ = 321232321211 is a prime.

It is a super-2 number, since 2×321232321243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321232321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160616160621 + 160616160622.

It is an arithmetic number, because the mean of its divisors is an integer number (160616160622).

Almost surely, 2^321232321243 is an apocalyptic number.

321232321243 is a deficient number, since it is larger than the sum of its proper divisors (1).

321232321243 is an equidigital number, since it uses as much as digits as its factorization.

321232321243 is an odious number, because the sum of its binary digits is odd.

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

Adding to 321232321243 its reverse (342123232123), we get a palindrome (663355553366).

The spelling of 321232321243 in words is "three hundred twenty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, two hundred forty-three".