85410223 has 2 divisors, whose sum is σ = 85410224. Its totient is φ = 85410222.

The previous prime is 85410209. The next prime is 85410251. The reversal of 85410223 is 32201458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85410223 - 2²¹ = 83313071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85410253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42705111 + 42705112.

It is an arithmetic number, because the mean of its divisors is an integer number (42705112).

Almost surely, 2^85410223 is an apocalyptic number.

85410223 is a deficient number, since it is larger than the sum of its proper divisors (1).

85410223 is an equidigital number, since it uses as much as digits as its factorization.

85410223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 85410223 is about 9241.7651452523. The cubic root of 85410223 is about 440.3891581180.

The spelling of 85410223 in words is "eighty-five million, four hundred ten thousand, two hundred twenty-three".