56743634723 has 2 divisors, whose sum is σ = 56743634724. Its totient is φ = 56743634722.

The previous prime is 56743634641. The next prime is 56743634809. The reversal of 56743634723 is 32743634765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56743634723 - 2¹² = 56743630627 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (56743634323) 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, 28371817361 + 28371817362.

It is an arithmetic number, because the mean of its divisors is an integer number (28371817362).

Almost surely, 2^56743634723 is an apocalyptic number.

56743634723 is a deficient number, since it is larger than the sum of its proper divisors (1).

56743634723 is an equidigital number, since it uses as much as digits as its factorization.

56743634723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 50.

The spelling of 56743634723 in words is "fifty-six billion, seven hundred forty-three million, six hundred thirty-four thousand, seven hundred twenty-three".