653603223 has 16 divisors (see below), whose sum is σ = 1072580096. Its totient is φ = 344757600.

The previous prime is 653603221. The next prime is 653603231. The reversal of 653603223 is 322306356.

It is not a de Polignac number, because 653603223 - 2¹ = 653603221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653603221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196803 + ... + 1197348.

It is an arithmetic number, because the mean of its divisors is an integer number (67036256).

Almost surely, 2^653603223 is an apocalyptic number.

653603223 is a deficient number, since it is larger than the sum of its proper divisors (418976873).

653603223 is a wasteful number, since it uses less digits than its factorization.

653603223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394174.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 653603223 is about 25565.6649238779. The cubic root of 653603223 is about 867.8367991322.

Adding to 653603223 its reverse (322306356), we get a palindrome (975909579).

The spelling of 653603223 in words is "six hundred fifty-three million, six hundred three thousand, two hundred twenty-three".