321420234201043 has 2 divisors, whose sum is σ = 321420234201044. Its totient is φ = 321420234201042.

The previous prime is 321420234201019. The next prime is 321420234201049. The reversal of 321420234201043 is 340102432024123.

It is a strong prime.

It is an emirp because it is prime and its reverse (340102432024123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321420234201043 - 2¹⁷ = 321420234069971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321420234200996 and 321420234201014.

It is not a weakly prime, because it can be changed into another prime (321420234201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710117100521 + 160710117100522.

It is an arithmetic number, because the mean of its divisors is an integer number (160710117100522).

Almost surely, 2^{321420234201043} is an apocalyptic number.

321420234201043 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420234201043 is an equidigital number, since it uses as much as digits as its factorization.

321420234201043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321420234201043 its reverse (340102432024123), we get a palindrome (661522666225166).

The spelling of 321420234201043 in words is "three hundred twenty-one trillion, four hundred twenty billion, two hundred thirty-four million, two hundred one thousand, forty-three".