85723503 has 16 divisors (see below), whose sum is σ = 121914720. Its totient is φ = 53390336.

The previous prime is 85723481. The next prime is 85723523. The reversal of 85723503 is 30532758.

It is not a de Polignac number, because 85723503 - 2⁵ = 85723471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85723523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (7619670).

Almost surely, 2^85723503 is an apocalyptic number.

85723503 is a deficient number, since it is larger than the sum of its proper divisors (36191217).

85723503 is a wasteful number, since it uses less digits than its factorization.

85723503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 85723503 is about 9258.6987746659. The cubic root of 85723503 is about 440.9269422016.

The spelling of 85723503 in words is "eighty-five million, seven hundred twenty-three thousand, five hundred three".