381233 has 2 divisors, whose sum is σ = 381234. Its totient is φ = 381232.

The previous prime is 381223. The next prime is 381239. The reversal of 381233 is 332183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 29584 = 593^2 + 172^2 .

It is an emirp because it is prime and its reverse (332183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381233 - 2⁶ = 381169 is a prime.

It is not a weakly prime, because it can be changed into another prime (381239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190616 + 190617.

It is an arithmetic number, because the mean of its divisors is an integer number (190617).

2³⁸¹²³³ is an apocalyptic number.

It is an amenable number.

381233 is a deficient number, since it is larger than the sum of its proper divisors (1).

381233 is an equidigital number, since it uses as much as digits as its factorization.

381233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 381233 is about 617.4406854103. The cubic root of 381233 is about 72.5098203107.

The spelling of 381233 in words is "three hundred eighty-one thousand, two hundred thirty-three".