381392323 has 8 divisors (see below), whose sum is σ = 415346400. Its totient is φ = 348097728.

The previous prime is 381392321. The next prime is 381392351. The reversal of 381392323 is 323293183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381392323 - 2¹ = 381392321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381392321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163663 + ... + 165976.

It is an arithmetic number, because the mean of its divisors is an integer number (51918300).

Almost surely, 2^381392323 is an apocalyptic number.

381392323 is a deficient number, since it is larger than the sum of its proper divisors (33954077).

381392323 is a wasteful number, since it uses less digits than its factorization.

381392323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329741.

The product of its digits is 23328, while the sum is 34.

The square root of 381392323 is about 19529.2683682723. The cubic root of 381392323 is about 725.1991988507.

The spelling of 381392323 in words is "three hundred eighty-one million, three hundred ninety-two thousand, three hundred twenty-three".