86573923 has 2 divisors, whose sum is σ = 86573924. Its totient is φ = 86573922.

The previous prime is 86573891. The next prime is 86573939. The reversal of 86573923 is 32937568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86573923 - 2⁵ = 86573891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86573923.

It is not a weakly prime, because it can be changed into another prime (86574923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43286961 + 43286962.

It is an arithmetic number, because the mean of its divisors is an integer number (43286962).

Almost surely, 2^86573923 is an apocalyptic number.

86573923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86573923 is an equidigital number, since it uses as much as digits as its factorization.

86573923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 86573923 is about 9304.5108952594. The cubic root of 86573923 is about 442.3802188905.

The spelling of 86573923 in words is "eighty-six million, five hundred seventy-three thousand, nine hundred twenty-three".