423771735055 has 4 divisors (see below), whose sum is σ = 508526082072. Its totient is φ = 339017388040.

The previous prime is 423771735029. The next prime is 423771735059. The reversal of 423771735055 is 550537177324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423771735055 - 2⁷ = 423771734927 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423771735059) 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 in 3 ways as a sum of consecutive naturals, for example, 42377173501 + ... + 42377173510.

It is an arithmetic number, because the mean of its divisors is an integer number (127131520518).

Almost surely, 2^423771735055 is an apocalyptic number.

423771735055 is a deficient number, since it is larger than the sum of its proper divisors (84754347017).

423771735055 is an equidigital number, since it uses as much as digits as its factorization.

423771735055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84754347016.

The product of its (nonzero) digits is 3087000, while the sum is 49.

The spelling of 423771735055 in words is "four hundred twenty-three billion, seven hundred seventy-one million, seven hundred thirty-five thousand, fifty-five".