683823139 has 8 divisors (see below), whose sum is σ = 695943360. Its totient is φ = 671795496.

The previous prime is 683823073. The next prime is 683823191. The reversal of 683823139 is 931328386.

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 683823139 - 2¹⁹ = 683298851 is a prime.

It is a super-2 number, since 2×683823139² = 935228170863626642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 683823095 and 683823104.

It is not an unprimeable number, because it can be changed into a prime (683853139) 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, 8157 + ... + 37870.

It is an arithmetic number, because the mean of its divisors is an integer number (86992920).

Almost surely, 2^683823139 is an apocalyptic number.

683823139 is a deficient number, since it is larger than the sum of its proper divisors (12120221).

683823139 is a wasteful number, since it uses less digits than its factorization.

683823139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46289.

The product of its digits is 186624, while the sum is 43.

The square root of 683823139 is about 26150.0122179704. The cubic root of 683823139 is about 881.0108644504.

The spelling of 683823139 in words is "six hundred eighty-three million, eight hundred twenty-three thousand, one hundred thirty-nine".