423341242321 has 2 divisors, whose sum is σ = 423341242322. Its totient is φ = 423341242320.

The previous prime is 423341242243. The next prime is 423341242351. The reversal of 423341242321 is 123242143324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249264541696 + 174076700625 = 499264^2 + 417225^2 .

It is a cyclic number.

It is not a de Polignac number, because 423341242321 - 2¹⁵ = 423341209553 is a prime.

It is not a weakly prime, because it can be changed into another prime (423341242351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211670621160 + 211670621161.

It is an arithmetic number, because the mean of its divisors is an integer number (211670621161).

Almost surely, 2^423341242321 is an apocalyptic number.

It is an amenable number.

423341242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

423341242321 is an equidigital number, since it uses as much as digits as its factorization.

423341242321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 423341242321 its reverse (123242143324), we get a palindrome (546583385645).

The spelling of 423341242321 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred forty-two thousand, three hundred twenty-one".