85685323 has 2 divisors, whose sum is σ = 85685324. Its totient is φ = 85685322.

The previous prime is 85685317. The next prime is 85685329. The reversal of 85685323 is 32358658.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (85685317) and next prime (85685329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85685323 is a prime.

It is a super-2 number, since 2×85685323² = 14683949155228658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85685329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42842661 + 42842662.

It is an arithmetic number, because the mean of its divisors is an integer number (42842662).

Almost surely, 2^85685323 is an apocalyptic number.

85685323 is a deficient number, since it is larger than the sum of its proper divisors (1).

85685323 is an equidigital number, since it uses as much as digits as its factorization.

85685323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 85685323 is about 9256.6367002276. The cubic root of 85685323 is about 440.8614716676.

The spelling of 85685323 in words is "eighty-five million, six hundred eighty-five thousand, three hundred twenty-three".