6623005203 has 8 divisors (see below), whose sum is σ = 9811859600. Its totient is φ = 4415336784.

The previous prime is 6623005201. The next prime is 6623005229. The reversal of 6623005203 is 3025003266.

It is not a de Polignac number, because 6623005203 - 2¹ = 6623005201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 245296489 = 6623005203 / (6 + 6 + 2 + 3 + 0 + 0 + 5 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623005201) 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 in 7 ways as a sum of consecutive naturals, for example, 122648218 + ... + 122648271.

It is an arithmetic number, because the mean of its divisors is an integer number (1226482450).

Almost surely, 2^6623005203 is an apocalyptic number.

6623005203 is a deficient number, since it is larger than the sum of its proper divisors (3188854397).

6623005203 is a wasteful number, since it uses less digits than its factorization.

6623005203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245296498 (or 245296492 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6623005203 is about 81381.8481173781. The cubic root of 6623005203 is about 1877.9543543500.

Adding to 6623005203 its reverse (3025003266), we get a palindrome (9648008469).

The spelling of 6623005203 in words is "six billion, six hundred twenty-three million, five thousand, two hundred three".