8138323 has 2 divisors, whose sum is σ = 8138324. Its totient is φ = 8138322.

The previous prime is 8138279. The next prime is 8138363. The reversal of 8138323 is 3238318.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8138323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8138291 and 8138300.

It is not a weakly prime, because it can be changed into another prime (8138363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069161 + 4069162.

It is an arithmetic number, because the mean of its divisors is an integer number (4069162).

Almost surely, 2^8138323 is an apocalyptic number.

8138323 is a deficient number, since it is larger than the sum of its proper divisors (1).

8138323 is an equidigital number, since it uses as much as digits as its factorization.

8138323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 8138323 is about 2852.7746143010. The cubic root of 8138323 is about 201.1461112657.

It can be divided in two parts, 81383 and 23, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 8138323 in words is "eight million, one hundred thirty-eight thousand, three hundred twenty-three".