423344123101 has 2 divisors, whose sum is σ = 423344123102. Its totient is φ = 423344123100.

The previous prime is 423344123089. The next prime is 423344123117. The reversal of 423344123101 is 101321443324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334078220025 + 89265903076 = 577995^2 + 298774^2 .

It is a cyclic number.

It is not a de Polignac number, because 423344123101 - 2³³ = 414754188509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423344123101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423344153101) 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, 211672061550 + 211672061551.

It is an arithmetic number, because the mean of its divisors is an integer number (211672061551).

Almost surely, 2^423344123101 is an apocalyptic number.

It is an amenable number.

423344123101 is a deficient number, since it is larger than the sum of its proper divisors (1).

423344123101 is an equidigital number, since it uses as much as digits as its factorization.

423344123101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 423344123101 its reverse (101321443324), we get a palindrome (524665566425).

The spelling of 423344123101 in words is "four hundred twenty-three billion, three hundred forty-four million, one hundred twenty-three thousand, one hundred one".