85342223 has 2 divisors, whose sum is σ = 85342224. Its totient is φ = 85342222.

The previous prime is 85342207. The next prime is 85342277. The reversal of 85342223 is 32224358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85342223 - 2⁴ = 85342207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85342123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42671111 + 42671112.

It is an arithmetic number, because the mean of its divisors is an integer number (42671112).

Almost surely, 2^85342223 is an apocalyptic number.

85342223 is a deficient number, since it is larger than the sum of its proper divisors (1).

85342223 is an equidigital number, since it uses as much as digits as its factorization.

85342223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 85342223 is about 9238.0854618260. The cubic root of 85342223 is about 440.2722540262.

The spelling of 85342223 in words is "eighty-five million, three hundred forty-two thousand, two hundred twenty-three".