56177221723 has 8 divisors (see below), whose sum is σ = 66993954048. Its totient is φ = 46058343144.

The previous prime is 56177221703. The next prime is 56177221741. The reversal of 56177221723 is 32712277165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56177221723 - 2²¹ = 56175124571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56177221723.

It is not an unprimeable number, because it can be changed into a prime (56177221703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174463261 + ... + 174463582.

It is an arithmetic number, because the mean of its divisors is an integer number (8374244256).

Almost surely, 2^56177221723 is an apocalyptic number.

56177221723 is a deficient number, since it is larger than the sum of its proper divisors (10816732325).

56177221723 is a wasteful number, since it uses less digits than its factorization.

56177221723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348926873.

The product of its digits is 246960, while the sum is 43.

Adding to 56177221723 its reverse (32712277165), we get a palindrome (88889498888).

The spelling of 56177221723 in words is "fifty-six billion, one hundred seventy-seven million, two hundred twenty-one thousand, seven hundred twenty-three".