423321144004401 has 4 divisors (see below), whose sum is σ = 564428192005872. Its totient is φ = 282214096002932.

The previous prime is 423321144004399. The next prime is 423321144004427. The reversal of 423321144004401 is 104400441123324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423321144004401 - 2¹ = 423321144004399 is a prime.

It is a super-2 number, since 2×423321144004401² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423321144004441) 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 in 3 ways as a sum of consecutive naturals, for example, 70553524000731 + ... + 70553524000736.

It is an arithmetic number, because the mean of its divisors is an integer number (141107048001468).

Almost surely, 2^{423321144004401} is an apocalyptic number.

It is an amenable number.

423321144004401 is a deficient number, since it is larger than the sum of its proper divisors (141107048001471).

423321144004401 is a wasteful number, since it uses less digits than its factorization.

423321144004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141107048001470.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 423321144004401 its reverse (104400441123324), we get a palindrome (527721585127725).

The spelling of 423321144004401 in words is "four hundred twenty-three trillion, three hundred twenty-one billion, one hundred forty-four million, four thousand, four hundred one".