420462656923 has 2 divisors, whose sum is σ = 420462656924. Its totient is φ = 420462656922.

The previous prime is 420462656893. The next prime is 420462656953. The reversal of 420462656923 is 329656264024.

It is a balanced prime because it is at equal distance from previous prime (420462656893) and next prime (420462656953).

It is a cyclic number.

It is not a de Polignac number, because 420462656923 - 2²⁹ = 419925786011 is a prime.

It is not a weakly prime, because it can be changed into another prime (420462656953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210231328461 + 210231328462.

It is an arithmetic number, because the mean of its divisors is an integer number (210231328462).

Almost surely, 2^420462656923 is an apocalyptic number.

420462656923 is a deficient number, since it is larger than the sum of its proper divisors (1).

420462656923 is an equidigital number, since it uses as much as digits as its factorization.

420462656923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 420462656923 in words is "four hundred twenty billion, four hundred sixty-two million, six hundred fifty-six thousand, nine hundred twenty-three".