57681187023 has 4 divisors (see below), whose sum is σ = 76908249368. Its totient is φ = 38454124680.

The previous prime is 57681187009. The next prime is 57681187027. The reversal of 57681187023 is 32078118675.

It is a happy number.

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

It is not a de Polignac number, because 57681187023 - 2⁴ = 57681187007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57681187027) 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, 9613531168 + ... + 9613531173.

It is an arithmetic number, because the mean of its divisors is an integer number (19227062342).

Almost surely, 2^57681187023 is an apocalyptic number.

57681187023 is a deficient number, since it is larger than the sum of its proper divisors (19227062345).

57681187023 is a wasteful number, since it uses less digits than its factorization.

57681187023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227062344.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 57681187023 in words is "fifty-seven billion, six hundred eighty-one million, one hundred eighty-seven thousand, twenty-three".