36644423 has 2 divisors, whose sum is σ = 36644424. Its totient is φ = 36644422.

The previous prime is 36644389. The next prime is 36644459. The reversal of 36644423 is 32444663.

36644423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32444663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36644423 - 2¹⁸ = 36382279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36644423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36647423) 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, 18322211 + 18322212.

It is an arithmetic number, because the mean of its divisors is an integer number (18322212).

Almost surely, 2^36644423 is an apocalyptic number.

36644423 is a deficient number, since it is larger than the sum of its proper divisors (1).

36644423 is an equidigital number, since it uses as much as digits as its factorization.

36644423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 32.

The square root of 36644423 is about 6053.4637192272. The cubic root of 36644423 is about 332.1513046010.

The spelling of 36644423 in words is "thirty-six million, six hundred forty-four thousand, four hundred twenty-three".