86817323 has 2 divisors, whose sum is σ = 86817324. Its totient is φ = 86817322.

The previous prime is 86817307. The next prime is 86817343. The reversal of 86817323 is 32371868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86817323 - 2⁴ = 86817307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86817343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43408661 + 43408662.

It is an arithmetic number, because the mean of its divisors is an integer number (43408662).

Almost surely, 2^86817323 is an apocalyptic number.

86817323 is a deficient number, since it is larger than the sum of its proper divisors (1).

86817323 is an equidigital number, since it uses as much as digits as its factorization.

86817323 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 86817323 is about 9317.5813921854. The cubic root of 86817323 is about 442.7944105632.

The spelling of 86817323 in words is "eighty-six million, eight hundred seventeen thousand, three hundred twenty-three".