85280323 has 2 divisors, whose sum is σ = 85280324. Its totient is φ = 85280322.

The previous prime is 85280207. The next prime is 85280353. The reversal of 85280323 is 32308258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85280323 - 2²¹ = 83183171 is a prime.

It is not a weakly prime, because it can be changed into another prime (85280353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42640161 + 42640162.

It is an arithmetic number, because the mean of its divisors is an integer number (42640162).

Almost surely, 2^85280323 is an apocalyptic number.

85280323 is a deficient number, since it is larger than the sum of its proper divisors (1).

85280323 is an equidigital number, since it uses as much as digits as its factorization.

85280323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 85280323 is about 9234.7345928294. The cubic root of 85280323 is about 440.1657829143.

The spelling of 85280323 in words is "eighty-five million, two hundred eighty thousand, three hundred twenty-three".