418457620423 has 2 divisors, whose sum is σ = 418457620424. Its totient is φ = 418457620422.

The previous prime is 418457620421. The next prime is 418457620433. The reversal of 418457620423 is 324026754814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 418457620423 - 2¹ = 418457620421 is a prime.

Together with 418457620421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418457620421) 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, 209228810211 + 209228810212.

It is an arithmetic number, because the mean of its divisors is an integer number (209228810212).

Almost surely, 2^418457620423 is an apocalyptic number.

418457620423 is a deficient number, since it is larger than the sum of its proper divisors (1).

418457620423 is an equidigital number, since it uses as much as digits as its factorization.

418457620423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 418457620423 in words is "four hundred eighteen billion, four hundred fifty-seven million, six hundred twenty thousand, four hundred twenty-three".