423441322061 has 2 divisors, whose sum is σ = 423441322062. Its totient is φ = 423441322060.

The previous prime is 423441322021. The next prime is 423441322069. The reversal of 423441322061 is 160223144324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221845710025 + 201595612036 = 471005^2 + 448994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423441322061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423441322069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211720661030 + 211720661031.

It is an arithmetic number, because the mean of its divisors is an integer number (211720661031).

Almost surely, 2^423441322061 is an apocalyptic number.

It is an amenable number.

423441322061 is a deficient number, since it is larger than the sum of its proper divisors (1).

423441322061 is an equidigital number, since it uses as much as digits as its factorization.

423441322061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 423441322061 its reverse (160223144324), we get a palindrome (583664466385).

The spelling of 423441322061 in words is "four hundred twenty-three billion, four hundred forty-one million, three hundred twenty-two thousand, sixty-one".