321420233341343 has 2 divisors, whose sum is σ = 321420233341344. Its totient is φ = 321420233341342.

The previous prime is 321420233341171. The next prime is 321420233341411. The reversal of 321420233341343 is 343143332024123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321420233341343 - 2²⁴ = 321420216564127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321420233341297 and 321420233341306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321420233346343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710116670671 + 160710116670672.

It is an arithmetic number, because the mean of its divisors is an integer number (160710116670672).

Almost surely, 2^{321420233341343} is an apocalyptic number.

321420233341343 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420233341343 is an equidigital number, since it uses as much as digits as its factorization.

321420233341343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 321420233341343 its reverse (343143332024123), we get a palindrome (664563565365466).

The spelling of 321420233341343 in words is "three hundred twenty-one trillion, four hundred twenty billion, two hundred thirty-three million, three hundred forty-one thousand, three hundred forty-three".