86443723 has 2 divisors, whose sum is σ = 86443724. Its totient is φ = 86443722.

The previous prime is 86443663. The next prime is 86443727. The reversal of 86443723 is 32734468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86443723 is a prime.

It is a super-2 number, since 2×86443723² = 14945034492201458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86443727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43221861 + 43221862.

It is an arithmetic number, because the mean of its divisors is an integer number (43221862).

Almost surely, 2^86443723 is an apocalyptic number.

86443723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86443723 is an equidigital number, since it uses as much as digits as its factorization.

86443723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 86443723 is about 9297.5116563519. The cubic root of 86443723 is about 442.1583399043.

The spelling of 86443723 in words is "eighty-six million, four hundred forty-three thousand, seven hundred twenty-three".