823165342 has 4 divisors (see below), whose sum is σ = 1234748016. Its totient is φ = 411582670.

The previous prime is 823165339. The next prime is 823165349. The reversal of 823165342 is 243561328.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×823165342³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 823165298 and 823165307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823165349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205791334 + ... + 205791337.

It is an arithmetic number, because the mean of its divisors is an integer number (308687004).

Almost surely, 2^823165342 is an apocalyptic number.

823165342 is a deficient number, since it is larger than the sum of its proper divisors (411582674).

823165342 is a wasteful number, since it uses less digits than its factorization.

823165342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411582673.

The product of its digits is 34560, while the sum is 34.

The square root of 823165342 is about 28690.8581607452. The cubic root of 823165342 is about 937.1929773187.

The spelling of 823165342 in words is "eight hundred twenty-three million, one hundred sixty-five thousand, three hundred forty-two".