423878406103 has 2 divisors, whose sum is σ = 423878406104. Its totient is φ = 423878406102.

The previous prime is 423878406031. The next prime is 423878406197. The reversal of 423878406103 is 301604878324.

Together with previous prime (423878406031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423878406103 - 2⁹ = 423878405591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423878400103) 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, 211939203051 + 211939203052.

It is an arithmetic number, because the mean of its divisors is an integer number (211939203052).

Almost surely, 2^423878406103 is an apocalyptic number.

423878406103 is a deficient number, since it is larger than the sum of its proper divisors (1).

423878406103 is an equidigital number, since it uses as much as digits as its factorization.

423878406103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 423878406103 in words is "four hundred twenty-three billion, eight hundred seventy-eight million, four hundred six thousand, one hundred three".