64004223 has 8 divisors (see below), whose sum is σ = 85476736. Its totient is φ = 42600600.

The previous prime is 64004207. The next prime is 64004251. The reversal of 64004223 is 32240046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64004223 - 2⁴ = 64004207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64004223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64004023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15013 + ... + 18798.

It is an arithmetic number, because the mean of its divisors is an integer number (10684592).

Almost surely, 2^64004223 is an apocalyptic number.

64004223 is a deficient number, since it is larger than the sum of its proper divisors (21472513).

64004223 is a wasteful number, since it uses less digits than its factorization.

64004223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34445.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64004223 is about 8000.2639331462. The cubic root of 64004223 is about 400.0087977232.

Adding to 64004223 its reverse (32240046), we get a palindrome (96244269).

The spelling of 64004223 in words is "sixty-four million, four thousand, two hundred twenty-three".