627040423 has 2 divisors, whose sum is σ = 627040424. Its totient is φ = 627040422.

The previous prime is 627040417. The next prime is 627040481. The reversal of 627040423 is 324040726.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 627040423 - 2⁹ = 627039911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 627040391 and 627040400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627040493) 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 as a sum of consecutive naturals, namely, 313520211 + 313520212.

It is an arithmetic number, because the mean of its divisors is an integer number (313520212).

Almost surely, 2^627040423 is an apocalyptic number.

627040423 is a deficient number, since it is larger than the sum of its proper divisors (1).

627040423 is an equidigital number, since it uses as much as digits as its factorization.

627040423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 627040423 is about 25040.7752076488. The cubic root of 627040423 is about 855.9173824644.

The spelling of 627040423 in words is "six hundred twenty-seven million, forty thousand, four hundred twenty-three".