56706823 has 2 divisors, whose sum is σ = 56706824. Its totient is φ = 56706822.

The previous prime is 56706821. The next prime is 56706827. The reversal of 56706823 is 32860765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56706823 - 2¹ = 56706821 is a prime.

Together with 56706821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56706821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28353411 + 28353412.

It is an arithmetic number, because the mean of its divisors is an integer number (28353412).

Almost surely, 2^56706823 is an apocalyptic number.

56706823 is a deficient number, since it is larger than the sum of its proper divisors (1).

56706823 is an equidigital number, since it uses as much as digits as its factorization.

56706823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 56706823 is about 7530.3932832223. The cubic root of 56706823 is about 384.1891587400.

The spelling of 56706823 in words is "fifty-six million, seven hundred six thousand, eight hundred twenty-three".