83836723 has 4 divisors (see below), whose sum is σ = 84846888. Its totient is φ = 82826560.

The previous prime is 83836717. The next prime is 83836751. The reversal of 83836723 is 32763838.

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 83836723 - 2²¹ = 81739571 is a prime.

It is a super-2 number, since 2×83836723² = 14057192246757458, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83836763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504958 + ... + 505123.

It is an arithmetic number, because the mean of its divisors is an integer number (21211722).

Almost surely, 2^83836723 is an apocalyptic number.

83836723 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

83836723 is a deficient number, since it is larger than the sum of its proper divisors (1010165).

83836723 is a wasteful number, since it uses less digits than its factorization.

83836723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010164.

The product of its digits is 145152, while the sum is 40.

The square root of 83836723 is about 9156.2395665470. The cubic root of 83836723 is about 437.6679701149.

The spelling of 83836723 in words is "eighty-three million, eight hundred thirty-six thousand, seven hundred twenty-three".