85195723 has 2 divisors, whose sum is σ = 85195724. Its totient is φ = 85195722.

The previous prime is 85195697. The next prime is 85195763. The reversal of 85195723 is 32759158.

It is an a-pointer prime, because the next prime (85195763) can be obtained adding 85195723 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85195723 is a prime.

It is a super-2 number, since 2×85195723² = 14516622434985458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85195763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42597861 + 42597862.

It is an arithmetic number, because the mean of its divisors is an integer number (42597862).

Almost surely, 2^85195723 is an apocalyptic number.

85195723 is a deficient number, since it is larger than the sum of its proper divisors (1).

85195723 is an equidigital number, since it uses as much as digits as its factorization.

85195723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 85195723 is about 9230.1529239769. The cubic root of 85195723 is about 440.0201833028.

The spelling of 85195723 in words is "eighty-five million, one hundred ninety-five thousand, seven hundred twenty-three".