94390223 has 2 divisors, whose sum is σ = 94390224. Its totient is φ = 94390222.

The previous prime is 94390213. The next prime is 94390249. The reversal of 94390223 is 32209349.

It is a weak prime.

It is an emirp because it is prime and its reverse (32209349) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94390223 - 2⁴ = 94390207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94390223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94390213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47195111 + 47195112.

It is an arithmetic number, because the mean of its divisors is an integer number (47195112).

Almost surely, 2^94390223 is an apocalyptic number.

94390223 is a deficient number, since it is larger than the sum of its proper divisors (1).

94390223 is an equidigital number, since it uses as much as digits as its factorization.

94390223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 94390223 is about 9715.4630872645. The cubic root of 94390223 is about 455.3119030353.

The spelling of 94390223 in words is "ninety-four million, three hundred ninety thousand, two hundred twenty-three".