8162421323 has 6 divisors (see below), whose sum is σ = 9495061596. Its totient is φ = 6996361092.

The previous prime is 8162421251. The next prime is 8162421373. The reversal of 8162421323 is 3231242618.

It is not a de Polignac number, because 8162421323 - 2²⁴ = 8145644107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8162421323.

It is not an unprimeable number, because it can be changed into a prime (8162421373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83289965 + ... + 83290062.

It is an arithmetic number, because the mean of its divisors is an integer number (1582510266).

Almost surely, 2^8162421323 is an apocalyptic number.

8162421323 is a deficient number, since it is larger than the sum of its proper divisors (1332640273).

8162421323 is a wasteful number, since it uses less digits than its factorization.

8162421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166580041 (or 166580034 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 8162421323 is about 90346.1195790943. The cubic root of 8162421323 is about 2013.4445300417. Note that the first 3 decimals are identical.

The spelling of 8162421323 in words is "eight billion, one hundred sixty-two million, four hundred twenty-one thousand, three hundred twenty-three".