86831323 has 2 divisors, whose sum is σ = 86831324. Its totient is φ = 86831322.

The previous prime is 86831309. The next prime is 86831357. The reversal of 86831323 is 32313868.

It is an a-pointer prime, because the next prime (86831357) can be obtained adding 86831323 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86831323 is a prime.

It is not a weakly prime, because it can be changed into another prime (86831023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43415661 + 43415662.

It is an arithmetic number, because the mean of its divisors is an integer number (43415662).

Almost surely, 2^86831323 is an apocalyptic number.

86831323 is a deficient number, since it is larger than the sum of its proper divisors (1).

86831323 is an equidigital number, since it uses as much as digits as its factorization.

86831323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 86831323 is about 9318.3326298217. The cubic root of 86831323 is about 442.8182106848.

The spelling of 86831323 in words is "eighty-six million, eight hundred thirty-one thousand, three hundred twenty-three".