163852823 has 4 divisors (see below), whose sum is σ = 164556288. Its totient is φ = 163149360.

The previous prime is 163852811. The next prime is 163852831. The reversal of 163852823 is 328258361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328258361 = 1987 ⋅165203.

It is a cyclic number.

It is not a de Polignac number, because 163852823 - 2⁸ = 163852567 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 (163858823) 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, 351383 + ... + 351848.

It is an arithmetic number, because the mean of its divisors is an integer number (41139072).

Almost surely, 2^163852823 is an apocalyptic number.

163852823 is a deficient number, since it is larger than the sum of its proper divisors (703465).

163852823 is an equidigital number, since it uses as much as digits as its factorization.

163852823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703464.

The product of its digits is 69120, while the sum is 38.

The square root of 163852823 is about 12800.5008886371. The cubic root of 163852823 is about 547.2065779688.

The spelling of 163852823 in words is "one hundred sixty-three million, eight hundred fifty-two thousand, eight hundred twenty-three".