86455723 has 2 divisors, whose sum is σ = 86455724. Its totient is φ = 86455722.

The previous prime is 86455703. The next prime is 86455729. The reversal of 86455723 is 32755468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86455723 - 2⁹ = 86455211 is a prime.

It is not a weakly prime, because it can be changed into another prime (86455729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43227861 + 43227862.

It is an arithmetic number, because the mean of its divisors is an integer number (43227862).

Almost surely, 2^86455723 is an apocalyptic number.

86455723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86455723 is an equidigital number, since it uses as much as digits as its factorization.

86455723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 86455723 is about 9298.1569679157. The cubic root of 86455723 is about 442.1787988973.

It can be divided in two parts, 86455 and 723, that added together give a palindrome (87178).

The spelling of 86455723 in words is "eighty-six million, four hundred fifty-five thousand, seven hundred twenty-three".