86318723 has 2 divisors, whose sum is σ = 86318724. Its totient is φ = 86318722.

The previous prime is 86318699. The next prime is 86318731. The reversal of 86318723 is 32781368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86318723 - 2⁸ = 86318467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86318753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43159361 + 43159362.

It is an arithmetic number, because the mean of its divisors is an integer number (43159362).

Almost surely, 2^86318723 is an apocalyptic number.

86318723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86318723 is an equidigital number, since it uses as much as digits as its factorization.

86318723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 86318723 is about 9290.7869957286. The cubic root of 86318723 is about 441.9451127220.

The spelling of 86318723 in words is "eighty-six million, three hundred eighteen thousand, seven hundred twenty-three".