56723358905 has 8 divisors (see below), whose sum is σ = 68082237384. Its totient is φ = 45369216000.

The previous prime is 56723358889. The next prime is 56723358943. The reversal of 56723358905 is 50985332765.

It can be written as a sum of positive squares in 4 ways, for example, as 4242047161 + 52481311744 = 65131^2 + 229088^2 .

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

It is not a de Polignac number, because 56723358905 - 2⁴ = 56723358889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157486 + ... + 1205495.

It is an arithmetic number, because the mean of its divisors is an integer number (8510279673).

Almost surely, 2^56723358905 is an apocalyptic number.

It is an amenable number.

56723358905 is a deficient number, since it is larger than the sum of its proper divisors (11358878479).

56723358905 is a wasteful number, since it uses less digits than its factorization.

56723358905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367787.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 56723358905 in words is "fifty-six billion, seven hundred twenty-three million, three hundred fifty-eight thousand, nine hundred five".