85670323 has 2 divisors, whose sum is σ = 85670324. Its totient is φ = 85670322.

The previous prime is 85670317. The next prime is 85670341. The reversal of 85670323 is 32307658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85670323 - 2⁹ = 85669811 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85670383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42835161 + 42835162.

It is an arithmetic number, because the mean of its divisors is an integer number (42835162).

Almost surely, 2^85670323 is an apocalyptic number.

85670323 is a deficient number, since it is larger than the sum of its proper divisors (1).

85670323 is an equidigital number, since it uses as much as digits as its factorization.

85670323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 85670323 is about 9255.8264352785. The cubic root of 85670323 is about 440.8357445545.

The spelling of 85670323 in words is "eighty-five million, six hundred seventy thousand, three hundred twenty-three".