623604443 has 16 divisors (see below), whose sum is σ = 789091584. Its totient is φ = 478668960.

The previous prime is 623604437. The next prime is 623604461. The reversal of 623604443 is 344406326.

It is not a de Polignac number, because 623604443 - 2⁶ = 623604379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623604493) 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, 55280 + ... + 65597.

It is an arithmetic number, because the mean of its divisors is an integer number (49318224).

Almost surely, 2^623604443 is an apocalyptic number.

623604443 is a deficient number, since it is larger than the sum of its proper divisors (165487141).

623604443 is a wasteful number, since it uses less digits than its factorization.

623604443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120962.

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 623604443 is about 24972.0732619460. The cubic root of 623604443 is about 854.3511340647.

The spelling of 623604443 in words is "six hundred twenty-three million, six hundred four thousand, four hundred forty-three".