623485867 has 2 divisors, whose sum is σ = 623485868. Its totient is φ = 623485866.

The previous prime is 623485847. The next prime is 623485913. The reversal of 623485867 is 768584326.

623485867 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 623485867 - 2⁷ = 623485739 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623485867.

It is not a weakly prime, because it can be changed into another prime (623485847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311742933 + 311742934.

It is an arithmetic number, because the mean of its divisors is an integer number (311742934).

Almost surely, 2^623485867 is an apocalyptic number.

623485867 is a deficient number, since it is larger than the sum of its proper divisors (1).

623485867 is an equidigital number, since it uses as much as digits as its factorization.

623485867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 623485867 is about 24969.6989769601. The cubic root of 623485867 is about 854.2969800985.

The spelling of 623485867 in words is "six hundred twenty-three million, four hundred eighty-five thousand, eight hundred sixty-seven".