84150223 has 2 divisors, whose sum is σ = 84150224. Its totient is φ = 84150222.

The previous prime is 84150193. The next prime is 84150229. The reversal of 84150223 is 32205148.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84150223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84150229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42075111 + 42075112.

It is an arithmetic number, because the mean of its divisors is an integer number (42075112).

Almost surely, 2^84150223 is an apocalyptic number.

84150223 is a deficient number, since it is larger than the sum of its proper divisors (1).

84150223 is an equidigital number, since it uses as much as digits as its factorization.

84150223 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 84150223 is about 9173.3430656441. The cubic root of 84150223 is about 438.2128317273.

The spelling of 84150223 in words is "eighty-four million, one hundred fifty thousand, two hundred twenty-three".