2003608623 has 32 divisors (see below), whose sum is σ = 2811195072. Its totient is φ = 1268121600.

The previous prime is 2003608619. The next prime is 2003608631. The reversal of 2003608623 is 3268063002.

It is not a de Polignac number, because 2003608623 - 2² = 2003608619 is a prime.

It is a super-2 number, since 2×2003608623² = 8028895028319912258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003608603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726415 + ... + 729167.

It is an arithmetic number, because the mean of its divisors is an integer number (87849846).

Almost surely, 2^2003608623 is an apocalyptic number.

2003608623 is a deficient number, since it is larger than the sum of its proper divisors (807586449).

2003608623 is a wasteful number, since it uses less digits than its factorization.

2003608623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2003608623 is about 44761.6869990397. The cubic root of 2003608623 is about 1260.6783579506.

The spelling of 2003608623 in words is "two billion, three million, six hundred eight thousand, six hundred twenty-three".