56423664303 has 16 divisors (see below), whose sum is σ = 75693773280. Its totient is φ = 37385352576.

The previous prime is 56423664299. The next prime is 56423664347. The reversal of 56423664303 is 30346632465.

It is not a de Polignac number, because 56423664303 - 2² = 56423664299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56423664383) 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 in 15 ways as a sum of consecutive naturals, for example, 244393 + ... + 415421.

It is an arithmetic number, because the mean of its divisors is an integer number (4730860830).

Almost surely, 2^56423664303 is an apocalyptic number.

56423664303 is a deficient number, since it is larger than the sum of its proper divisors (19270108977).

56423664303 is a wasteful number, since it uses less digits than its factorization.

56423664303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171706.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 56423664303 in words is "fifty-six billion, four hundred twenty-three million, six hundred sixty-four thousand, three hundred three".