64323603 has 12 divisors (see below), whose sum is σ = 93815280. Its totient is φ = 42465456.

The previous prime is 64323601. The next prime is 64323641. The reversal of 64323603 is 30632346.

It is not a de Polignac number, because 64323603 - 2¹ = 64323601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64323601) 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 in 11 ways as a sum of consecutive naturals, for example, 33768 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (7817940).

Almost surely, 2^64323603 is an apocalyptic number.

64323603 is a deficient number, since it is larger than the sum of its proper divisors (29491677).

64323603 is a wasteful number, since it uses less digits than its factorization.

64323603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69498 (or 69495 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 64323603 is about 8020.1996857934. The cubic root of 64323603 is about 400.6730398250.

Adding to 64323603 its reverse (30632346), we get a palindrome (94955949).

The spelling of 64323603 in words is "sixty-four million, three hundred twenty-three thousand, six hundred three".