56143076923 has 2 divisors, whose sum is σ = 56143076924. Its totient is φ = 56143076922.

The previous prime is 56143076851. The next prime is 56143077013. The reversal of 56143076923 is 32967034165.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56143076923 is a prime.

It is an alternating number because its digits alternate between odd and even.

56143076923 is a modest number, since divided by 76923 gives 56143 as remainder.

It is not a weakly prime, because it can be changed into another prime (56143073923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28071538461 + 28071538462.

It is an arithmetic number, because the mean of its divisors is an integer number (28071538462).

Almost surely, 2^56143076923 is an apocalyptic number.

56143076923 is a deficient number, since it is larger than the sum of its proper divisors (1).

56143076923 is an equidigital number, since it uses as much as digits as its factorization.

56143076923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 56143076923 in words is "fifty-six billion, one hundred forty-three million, seventy-six thousand, nine hundred twenty-three".