56147123 has 2 divisors, whose sum is σ = 56147124. Its totient is φ = 56147122.

The previous prime is 56147089. The next prime is 56147129. The reversal of 56147123 is 32174165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56147123 - 2¹⁰ = 56146099 is a prime.

It is not a weakly prime, because it can be changed into another prime (56147129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073561 + 28073562.

It is an arithmetic number, because the mean of its divisors is an integer number (28073562).

Almost surely, 2^56147123 is an apocalyptic number.

56147123 is a deficient number, since it is larger than the sum of its proper divisors (1).

56147123 is an equidigital number, since it uses as much as digits as its factorization.

56147123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 56147123 is about 7493.1383945581. The cubic root of 56147123 is about 382.9209866388.

The spelling of 56147123 in words is "fifty-six million, one hundred forty-seven thousand, one hundred twenty-three".