321330123353 has 2 divisors, whose sum is σ = 321330123354. Its totient is φ = 321330123352.

The previous prime is 321330123329. The next prime is 321330123377. The reversal of 321330123353 is 353321033123.

It is a balanced prime because it is at equal distance from previous prime (321330123329) and next prime (321330123377).

It can be written as a sum of positive squares in only one way, i.e., 321202162009 + 127961344 = 566747^2 + 11312^2 .

It is an emirp because it is prime and its reverse (353321033123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321330123353 - 2¹⁰ = 321330122329 is a prime.

It is not a weakly prime, because it can be changed into another prime (321330123853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160665061676 + 160665061677.

It is an arithmetic number, because the mean of its divisors is an integer number (160665061677).

Almost surely, 2^321330123353 is an apocalyptic number.

It is an amenable number.

321330123353 is a deficient number, since it is larger than the sum of its proper divisors (1).

321330123353 is an equidigital number, since it uses as much as digits as its factorization.

321330123353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 29.

Adding to 321330123353 its reverse (353321033123), we get a palindrome (674651156476).

The spelling of 321330123353 in words is "three hundred twenty-one billion, three hundred thirty million, one hundred twenty-three thousand, three hundred fifty-three".