381223 has 2 divisors, whose sum is σ = 381224. Its totient is φ = 381222.

The previous prime is 381221. The next prime is 381233. The reversal of 381223 is 322183.

It is a happy number.

It is a weak prime.

381223 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 381223 - 2¹ = 381221 is a prime.

Together with 381221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 381223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190611 + 190612.

It is an arithmetic number, because the mean of its divisors is an integer number (190612).

2³⁸¹²²³ is an apocalyptic number.

381223 is a deficient number, since it is larger than the sum of its proper divisors (1).

381223 is an equidigital number, since it uses as much as digits as its factorization.

381223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 381223 is about 617.4325874134. The cubic root of 381223 is about 72.5091863112.

The spelling of 381223 in words is "three hundred eighty-one thousand, two hundred twenty-three".