623671603 has 2 divisors, whose sum is σ = 623671604. Its totient is φ = 623671602.

The previous prime is 623671591. The next prime is 623671627. The reversal of 623671603 is 306176326.

623671603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623671603 - 2⁹ = 623671091 is a prime.

It is not a weakly prime, because it can be changed into another prime (623675603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311835801 + 311835802.

It is an arithmetic number, because the mean of its divisors is an integer number (311835802).

Almost surely, 2^623671603 is an apocalyptic number.

623671603 is a deficient number, since it is larger than the sum of its proper divisors (1).

623671603 is an equidigital number, since it uses as much as digits as its factorization.

623671603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 623671603 is about 24973.4179278688. The cubic root of 623671603 is about 854.3818031654.

The spelling of 623671603 in words is "six hundred twenty-three million, six hundred seventy-one thousand, six hundred three".