423443234101 has 2 divisors, whose sum is σ = 423443234102. Its totient is φ = 423443234100.

The previous prime is 423443234063. The next prime is 423443234167. The reversal of 423443234101 is 101432344324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416554068100 + 6889166001 = 645410^2 + 83001^2 .

It is a cyclic number.

It is not a de Polignac number, because 423443234101 - 2¹¹ = 423443232053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423443244101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721617050 + 211721617051.

It is an arithmetic number, because the mean of its divisors is an integer number (211721617051).

Almost surely, 2^423443234101 is an apocalyptic number.

It is an amenable number.

423443234101 is a deficient number, since it is larger than the sum of its proper divisors (1).

423443234101 is an equidigital number, since it uses as much as digits as its factorization.

423443234101 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 31.

Adding to 423443234101 its reverse (101432344324), we get a palindrome (524875578425).

The spelling of 423443234101 in words is "four hundred twenty-three billion, four hundred forty-three million, two hundred thirty-four thousand, one hundred one".