321423211363 has 2 divisors, whose sum is σ = 321423211364. Its totient is φ = 321423211362.

The previous prime is 321423211331. The next prime is 321423211381. The reversal of 321423211363 is 363112324123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321423211363 - 2⁵ = 321423211331 is a prime.

It is not a weakly prime, because it can be changed into another prime (321423221363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160711605681 + 160711605682.

It is an arithmetic number, because the mean of its divisors is an integer number (160711605682).

Almost surely, 2^321423211363 is an apocalyptic number.

321423211363 is a deficient number, since it is larger than the sum of its proper divisors (1).

321423211363 is an equidigital number, since it uses as much as digits as its factorization.

321423211363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

Adding to 321423211363 its reverse (363112324123), we get a palindrome (684535535486).

The spelling of 321423211363 in words is "three hundred twenty-one billion, four hundred twenty-three million, two hundred eleven thousand, three hundred sixty-three".