321320201020223 has 2 divisors, whose sum is σ = 321320201020224. Its totient is φ = 321320201020222.

The previous prime is 321320201020109. The next prime is 321320201020241. The reversal of 321320201020223 is 322020102023123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321320201020223 - 2²² = 321320196825919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321320201020823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660100510111 + 160660100510112.

It is an arithmetic number, because the mean of its divisors is an integer number (160660100510112).

Almost surely, 2^{321320201020223} is an apocalyptic number.

321320201020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

321320201020223 is an equidigital number, since it uses as much as digits as its factorization.

321320201020223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 321320201020223 its reverse (322020102023123), we get a palindrome (643340303043346).

The spelling of 321320201020223 in words is "three hundred twenty-one trillion, three hundred twenty billion, two hundred one million, twenty thousand, two hundred twenty-three".