44421523 has 2 divisors, whose sum is σ = 44421524. Its totient is φ = 44421522.

The previous prime is 44421511. The next prime is 44421529. The reversal of 44421523 is 32512444.

It is a happy number.

44421523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44421523 - 2¹³ = 44413331 is a prime.

It is not a weakly prime, because it can be changed into another prime (44421529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22210761 + 22210762.

It is an arithmetic number, because the mean of its divisors is an integer number (22210762).

Almost surely, 2^44421523 is an apocalyptic number.

44421523 is a deficient number, since it is larger than the sum of its proper divisors (1).

44421523 is an equidigital number, since it uses as much as digits as its factorization.

44421523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 25.

The square root of 44421523 is about 6664.9473366261. The cubic root of 44421523 is about 354.1586184161.

Adding to 44421523 its reverse (32512444), we get a palindrome (76933967).

It can be divided in two parts, 44421 and 523, that added together give a palindrome (44944).

The spelling of 44421523 in words is "forty-four million, four hundred twenty-one thousand, five hundred twenty-three".