878323223 has 4 divisors (see below), whose sum is σ = 878806848. Its totient is φ = 877839600.

The previous prime is 878323219. The next prime is 878323231. The reversal of 878323223 is 322323878.

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 878323223 - 2² = 878323219 is a prime.

It is a super-2 number, since 2×878323223² = 1542903368122215458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878323213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239078 + ... + 242723.

It is an arithmetic number, because the mean of its divisors is an integer number (219701712).

Almost surely, 2^878323223 is an apocalyptic number.

878323223 is a deficient number, since it is larger than the sum of its proper divisors (483625).

878323223 is a wasteful number, since it uses less digits than its factorization.

878323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483624.

The product of its digits is 96768, while the sum is 38.

The square root of 878323223 is about 29636.5184021335. The cubic root of 878323223 is about 957.6749372572.

The spelling of 878323223 in words is "eight hundred seventy-eight million, three hundred twenty-three thousand, two hundred twenty-three".