86523373 has 2 divisors, whose sum is σ = 86523374. Its totient is φ = 86523372.

The previous prime is 86523361. The next prime is 86523377. The reversal of 86523373 is 37332568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85414564 + 1108809 = 9242^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 86523373 - 2⁵ = 86523341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86523377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43261686 + 43261687.

It is an arithmetic number, because the mean of its divisors is an integer number (43261687).

Almost surely, 2^86523373 is an apocalyptic number.

It is an amenable number.

86523373 is a deficient number, since it is larger than the sum of its proper divisors (1).

86523373 is an equidigital number, since it uses as much as digits as its factorization.

86523373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 86523373 is about 9301.7940742633. The cubic root of 86523373 is about 442.2941010654.

The spelling of 86523373 in words is "eighty-six million, five hundred twenty-three thousand, three hundred seventy-three".