61723173683 has 2 divisors, whose sum is σ = 61723173684. Its totient is φ = 61723173682.

The previous prime is 61723173667. The next prime is 61723173703. The reversal of 61723173683 is 38637132716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61723173683 - 2⁴ = 61723173667 is a prime.

It is not a weakly prime, because it can be changed into another prime (61723173643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30861586841 + 30861586842.

It is an arithmetic number, because the mean of its divisors is an integer number (30861586842).

Almost surely, 2^61723173683 is an apocalyptic number.

61723173683 is a deficient number, since it is larger than the sum of its proper divisors (1).

61723173683 is an equidigital number, since it uses as much as digits as its factorization.

61723173683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The spelling of 61723173683 in words is "sixty-one billion, seven hundred twenty-three million, one hundred seventy-three thousand, six hundred eighty-three".