8459723 has 2 divisors, whose sum is σ = 8459724. Its totient is φ = 8459722.

The previous prime is 8459657. The next prime is 8459729. The reversal of 8459723 is 3279548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8459723 - 2¹⁶ = 8394187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8459729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229861 + 4229862.

It is an arithmetic number, because the mean of its divisors is an integer number (4229862).

Almost surely, 2^8459723 is an apocalyptic number.

8459723 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459723 is an equidigital number, since it uses as much as digits as its factorization.

8459723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 8459723 is about 2908.5602967791. The cubic root of 8459723 is about 203.7598978970.

The spelling of 8459723 in words is "eight million, four hundred fifty-nine thousand, seven hundred twenty-three".