378622823 has 8 divisors (see below), whose sum is σ = 408271920. Its totient is φ = 349945920.

The previous prime is 378622807. The next prime is 378622879. The reversal of 378622823 is 328226873.

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 378622823 - 2⁴ = 378622807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378624823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242240 + ... + 243797.

It is an arithmetic number, because the mean of its divisors is an integer number (51033990).

Almost surely, 2^378622823 is an apocalyptic number.

378622823 is a deficient number, since it is larger than the sum of its proper divisors (29649097).

378622823 is a wasteful number, since it uses less digits than its factorization.

378622823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486097.

The product of its digits is 193536, while the sum is 41.

The square root of 378622823 is about 19458.2327820386. The cubic root of 378622823 is about 723.4395756413.

The spelling of 378622823 in words is "three hundred seventy-eight million, six hundred twenty-two thousand, eight hundred twenty-three".