423321144004399 has 2 divisors, whose sum is σ = 423321144004400. Its totient is φ = 423321144004398.

The previous prime is 423321144004361. The next prime is 423321144004427. The reversal of 423321144004399 is 993400441123324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423321144004399 - 2¹⁵ = 423321143971631 is a prime.

It is a super-2 number, since 2×423321144004399² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423321144704399) 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, 211660572002199 + 211660572002200.

It is an arithmetic number, because the mean of its divisors is an integer number (211660572002200).

Almost surely, 2^{423321144004399} is an apocalyptic number.

423321144004399 is a deficient number, since it is larger than the sum of its proper divisors (1).

423321144004399 is an equidigital number, since it uses as much as digits as its factorization.

423321144004399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 423321144004399 in words is "four hundred twenty-three trillion, three hundred twenty-one billion, one hundred forty-four million, four thousand, three hundred ninety-nine".