544444423 has 2 divisors, whose sum is σ = 544444424. Its totient is φ = 544444422.

The previous prime is 544444409. The next prime is 544444447. The reversal of 544444423 is 324444445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544444423 - 2¹⁷ = 544313351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544444123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272222211 + 272222212.

It is an arithmetic number, because the mean of its divisors is an integer number (272222212).

Almost surely, 2^544444423 is an apocalyptic number.

544444423 is a deficient number, since it is larger than the sum of its proper divisors (1).

544444423 is an equidigital number, since it uses as much as digits as its factorization.

544444423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 34.

The square root of 544444423 is about 23333.3328738095. The cubic root of 544444423 is about 816.5532615170.

Adding to 544444423 its reverse (324444445), we get a palindrome (868888868).

It can be divided in two parts, 54444442 and 3, that added together give a palindrome (54444445).

The spelling of 544444423 in words is "five hundred forty-four million, four hundred forty-four thousand, four hundred twenty-three".