382178023 has 4 divisors (see below), whose sum is σ = 391065928. Its totient is φ = 373290120.

The previous prime is 382178011. The next prime is 382178029. The reversal of 382178023 is 320871283.

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 382178023 - 2⁹ = 382177511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382178023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382178029) 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 3 ways as a sum of consecutive naturals, for example, 4443888 + ... + 4443973.

It is an arithmetic number, because the mean of its divisors is an integer number (97766482).

Almost surely, 2^382178023 is an apocalyptic number.

382178023 is a deficient number, since it is larger than the sum of its proper divisors (8887905).

382178023 is an equidigital number, since it uses as much as digits as its factorization.

382178023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887904.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 382178023 is about 19549.3739797468. The cubic root of 382178023 is about 725.6968475556.

The spelling of 382178023 in words is "three hundred eighty-two million, one hundred seventy-eight thousand, twenty-three".