423441344344201 has 4 divisors (see below), whose sum is σ = 423572970503572. Its totient is φ = 423309718184832.

The previous prime is 423441344344177. The next prime is 423441344344219. The reversal of 423441344344201 is 102443443144324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 273092646015225 + 150348698328976 = 16525515^2 + 12261676^2 .

It is a cyclic number.

It is not a de Polignac number, because 423441344344201 - 2¹¹ = 423441344342153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423441344341201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65813074860 + ... + 65813081293.

It is an arithmetic number, because the mean of its divisors is an integer number (105893242625893).

Almost surely, 2^{423441344344201} is an apocalyptic number.

It is an amenable number.

423441344344201 is a deficient number, since it is larger than the sum of its proper divisors (131626159371).

423441344344201 is a wasteful number, since it uses less digits than its factorization.

423441344344201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131626159370.

The product of its (nonzero) digits is 1769472, while the sum is 43.

Adding to 423441344344201 its reverse (102443443144324), we get a palindrome (525884787488525).

The spelling of 423441344344201 in words is "four hundred twenty-three trillion, four hundred forty-one billion, three hundred forty-four million, three hundred forty-four thousand, two hundred one".