378597223 has 4 divisors (see below), whose sum is σ = 378638568. Its totient is φ = 378555880.

The previous prime is 378597217. The next prime is 378597253. The reversal of 378597223 is 322795873.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322795873 = 10847 ⋅29759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378597223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378597253) 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, 136 + ... + 27517.

It is an arithmetic number, because the mean of its divisors is an integer number (94659642).

Almost surely, 2^378597223 is an apocalyptic number.

378597223 is a deficient number, since it is larger than the sum of its proper divisors (41345).

378597223 is a wasteful number, since it uses less digits than its factorization.

378597223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41344.

The product of its digits is 635040, while the sum is 46.

The square root of 378597223 is about 19457.5749516737. The cubic root of 378597223 is about 723.4232705223.

The spelling of 378597223 in words is "three hundred seventy-eight million, five hundred ninety-seven thousand, two hundred twenty-three".