378223 has 2 divisors, whose sum is σ = 378224. Its totient is φ = 378222.

The previous prime is 378193. The next prime is 378229. The reversal of 378223 is 322873.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378223 - 2⁹ = 377711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189111 + 189112.

It is an arithmetic number, because the mean of its divisors is an integer number (189112).

2³⁷⁸²²³ is an apocalyptic number.

378223 is a deficient number, since it is larger than the sum of its proper divisors (1).

378223 is an equidigital number, since it uses as much as digits as its factorization.

378223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 378223 is about 614.9983739816. The cubic root of 378223 is about 72.3184836943.

The spelling of 378223 in words is "three hundred seventy-eight thousand, two hundred twenty-three".