323222220021143 has 2 divisors, whose sum is σ = 323222220021144. Its totient is φ = 323222220021142.

The previous prime is 323222220021073. The next prime is 323222220021251. The reversal of 323222220021143 is 341120022222323.

It is a weak prime.

It is an emirp because it is prime and its reverse (341120022222323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323222220021143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323222220021443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161611110010571 + 161611110010572.

It is an arithmetic number, because the mean of its divisors is an integer number (161611110010572).

Almost surely, 2^{323222220021143} is an apocalyptic number.

323222220021143 is a deficient number, since it is larger than the sum of its proper divisors (1).

323222220021143 is an equidigital number, since it uses as much as digits as its factorization.

323222220021143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 323222220021143 its reverse (341120022222323), we get a palindrome (664342242243466).

The spelling of 323222220021143 in words is "three hundred twenty-three trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, one hundred forty-three".