194370223 has 4 divisors (see below), whose sum is σ = 194645080. Its totient is φ = 194095368.

The previous prime is 194370221. The next prime is 194370251. The reversal of 194370223 is 322073491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194370223 - 2¹ = 194370221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194370221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136365 + ... + 137782.

It is an arithmetic number, because the mean of its divisors is an integer number (48661270).

Almost surely, 2^194370223 is an apocalyptic number.

194370223 is a deficient number, since it is larger than the sum of its proper divisors (274857).

194370223 is an equidigital number, since it uses as much as digits as its factorization.

194370223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274856.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 194370223 is about 13941.6721737387. The cubic root of 194370223 is about 579.2640517043.

The spelling of 194370223 in words is "one hundred ninety-four million, three hundred seventy thousand, two hundred twenty-three".