86911723 has 2 divisors, whose sum is σ = 86911724. Its totient is φ = 86911722.

The previous prime is 86911697. The next prime is 86911751. The reversal of 86911723 is 32711968.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86911723 is a prime.

It is not a weakly prime, because it can be changed into another prime (86911423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455861 + 43455862.

It is an arithmetic number, because the mean of its divisors is an integer number (43455862).

Almost surely, 2^86911723 is an apocalyptic number.

86911723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911723 is an equidigital number, since it uses as much as digits as its factorization.

86911723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 86911723 is about 9322.6457081668. The cubic root of 86911723 is about 442.9548418759.

The spelling of 86911723 in words is "eighty-six million, nine hundred eleven thousand, seven hundred twenty-three".