84036723 has 4 divisors (see below), whose sum is σ = 112048968. Its totient is φ = 56024480.

The previous prime is 84036697. The next prime is 84036727. The reversal of 84036723 is 32763048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84036723 - 2¹³ = 84028531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84036727) 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 in 3 ways as a sum of consecutive naturals, for example, 14006118 + ... + 14006123.

It is an arithmetic number, because the mean of its divisors is an integer number (28012242).

Almost surely, 2^84036723 is an apocalyptic number.

84036723 is a deficient number, since it is larger than the sum of its proper divisors (28012245).

84036723 is a wasteful number, since it uses less digits than its factorization.

84036723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28012244.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 84036723 is about 9167.1545748940. The cubic root of 84036723 is about 438.0157257547.

The spelling of 84036723 in words is "eighty-four million, thirty-six thousand, seven hundred twenty-three".