86823823 has 2 divisors, whose sum is σ = 86823824. Its totient is φ = 86823822.

The previous prime is 86823817. The next prime is 86823829. The reversal of 86823823 is 32832868.

It is a balanced prime because it is at equal distance from previous prime (86823817) and next prime (86823829).

It is a cyclic number.

It is not a de Polignac number, because 86823823 - 2⁹ = 86823311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86823829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43411911 + 43411912.

It is an arithmetic number, because the mean of its divisors is an integer number (43411912).

Almost surely, 2^86823823 is an apocalyptic number.

86823823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86823823 is an equidigital number, since it uses as much as digits as its factorization.

86823823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 86823823 is about 9317.9301886202. The cubic root of 86823823 is about 442.8054609378.

The spelling of 86823823 in words is "eighty-six million, eight hundred twenty-three thousand, eight hundred twenty-three".