210321120320023 has 2 divisors, whose sum is σ = 210321120320024. Its totient is φ = 210321120320022.

The previous prime is 210321120319979. The next prime is 210321120320039. The reversal of 210321120320023 is 320023021123012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210321120320023 - 2⁹ = 210321120319511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210321120319976 and 210321120320003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210321120320923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105160560160011 + 105160560160012.

It is an arithmetic number, because the mean of its divisors is an integer number (105160560160012).

Almost surely, 2^{210321120320023} is an apocalyptic number.

210321120320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

210321120320023 is an equidigital number, since it uses as much as digits as its factorization.

210321120320023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 210321120320023 its reverse (320023021123012), we get a palindrome (530344141443035).

The spelling of 210321120320023 in words is "two hundred ten trillion, three hundred twenty-one billion, one hundred twenty million, three hundred twenty thousand, twenty-three".