57516112171723 has 2 divisors, whose sum is σ = 57516112171724. Its totient is φ = 57516112171722.

The previous prime is 57516112171691. The next prime is 57516112171741. The reversal of 57516112171723 is 32717121161575.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57516112171723 - 2⁵ = 57516112171691 is a prime.

It is not a weakly prime, because it can be changed into another prime (57516112171783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758056085861 + 28758056085862.

It is an arithmetic number, because the mean of its divisors is an integer number (28758056085862).

Almost surely, 2^{57516112171723} is an apocalyptic number.

57516112171723 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516112171723 is an equidigital number, since it uses as much as digits as its factorization.

57516112171723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 49.

The spelling of 57516112171723 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred seventy-one thousand, seven hundred twenty-three".