84286723 has 2 divisors, whose sum is σ = 84286724. Its totient is φ = 84286722.

The previous prime is 84286721. The next prime is 84286747. The reversal of 84286723 is 32768248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84286723 - 2¹ = 84286721 is a prime.

Together with 84286721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84286721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42143361 + 42143362.

It is an arithmetic number, because the mean of its divisors is an integer number (42143362).

Almost surely, 2^84286723 is an apocalyptic number.

84286723 is a deficient number, since it is larger than the sum of its proper divisors (1).

84286723 is an equidigital number, since it uses as much as digits as its factorization.

84286723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 84286723 is about 9180.7800866811. The cubic root of 84286723 is about 438.4496452733.

It can be divided in two parts, 8428 and 6723, that added together give a palindrome (15151).

The spelling of 84286723 in words is "eighty-four million, two hundred eighty-six thousand, seven hundred twenty-three".