5781678323 has 4 divisors (see below), whose sum is σ = 5786376288. Its totient is φ = 5776980360.

The previous prime is 5781678313. The next prime is 5781678347. The reversal of 5781678323 is 3238761875.

It is a happy number.

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 5781678323 - 2¹⁴ = 5781661939 is a prime.

It is a super-3 number, since 3×5781678323³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5781678313) 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, 2347136 + ... + 2349597.

It is an arithmetic number, because the mean of its divisors is an integer number (1446594072).

Almost surely, 2^5781678323 is an apocalyptic number.

5781678323 is a deficient number, since it is larger than the sum of its proper divisors (4697965).

5781678323 is a wasteful number, since it uses less digits than its factorization.

5781678323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697964.

The product of its digits is 1693440, while the sum is 50.

The square root of 5781678323 is about 76037.3482112573. The cubic root of 5781678323 is about 1794.8079105852.

The spelling of 5781678323 in words is "five billion, seven hundred eighty-one million, six hundred seventy-eight thousand, three hundred twenty-three".