45444443423 has 2 divisors, whose sum is σ = 45444443424. Its totient is φ = 45444443422.

The previous prime is 45444443411. The next prime is 45444443453. The reversal of 45444443423 is 32434444454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444443423 - 2⁸ = 45444443167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444443453) 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, 22722221711 + 22722221712.

It is an arithmetic number, because the mean of its divisors is an integer number (22722221712).

Almost surely, 2^45444443423 is an apocalyptic number.

45444443423 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444443423 is an equidigital number, since it uses as much as digits as its factorization.

45444443423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1474560, while the sum is 41.

Adding to 45444443423 its reverse (32434444454), we get a palindrome (77878887877).

The spelling of 45444443423 in words is "forty-five billion, four hundred forty-four million, four hundred forty-three thousand, four hundred twenty-three".