85071723 has 16 divisors (see below), whose sum is σ = 131020416. Its totient is φ = 48525440.

The previous prime is 85071713. The next prime is 85071737. The reversal of 85071723 is 32717058.

It is a cyclic number.

It is not a de Polignac number, because 85071723 - 2⁵ = 85071691 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (85071713) 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, 75261 + ... + 76382.

It is an arithmetic number, because the mean of its divisors is an integer number (8188776).

Almost surely, 2^85071723 is an apocalyptic number.

85071723 is a deficient number, since it is larger than the sum of its proper divisors (45948693).

85071723 is a wasteful number, since it uses less digits than its factorization.

85071723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151674.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 85071723 is about 9223.4333629078. The cubic root of 85071723 is about 439.8066006110.

The spelling of 85071723 in words is "eighty-five million, seventy-one thousand, seven hundred twenty-three".