623604607 has 2 divisors, whose sum is σ = 623604608. Its totient is φ = 623604606.

The previous prime is 623604599. The next prime is 623604613. The reversal of 623604607 is 706406326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623604607 - 2³ = 623604599 is a prime.

It is equal to p_32491375 and since 623604607 and 32491375 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623604637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311802303 + 311802304.

It is an arithmetic number, because the mean of its divisors is an integer number (311802304).

Almost surely, 2^623604607 is an apocalyptic number.

623604607 is a deficient number, since it is larger than the sum of its proper divisors (1).

623604607 is an equidigital number, since it uses as much as digits as its factorization.

623604607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 623604607 is about 24972.0765456139. The cubic root of 623604607 is about 854.3512089592.

The spelling of 623604607 in words is "six hundred twenty-three million, six hundred four thousand, six hundred seven".