8279923 has 2 divisors, whose sum is σ = 8279924. Its totient is φ = 8279922.

The previous prime is 8279917. The next prime is 8279933. The reversal of 8279923 is 3299728.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8279923 is a prime.

It is not a weakly prime, because it can be changed into another prime (8279933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139961 + 4139962.

It is an arithmetic number, because the mean of its divisors is an integer number (4139962).

Almost surely, 2^8279923 is an apocalyptic number.

8279923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8279923 is an equidigital number, since it uses as much as digits as its factorization.

8279923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 8279923 is about 2877.4855342816. The cubic root of 8279923 is about 202.3060012700.

The spelling of 8279923 in words is "eight million, two hundred seventy-nine thousand, nine hundred twenty-three".