83929823 has 4 divisors (see below), whose sum is σ = 83960400. Its totient is φ = 83899248.

The previous prime is 83929789. The next prime is 83929861. The reversal of 83929823 is 32892938.

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 83929823 - 2¹² = 83925727 is a prime.

It is a super-2 number, since 2×83929823² = 14088430377622658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83929873) 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 in 3 ways as a sum of consecutive naturals, for example, 10715 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (20990100).

Almost surely, 2^83929823 is an apocalyptic number.

83929823 is a deficient number, since it is larger than the sum of its proper divisors (30577).

83929823 is a wasteful number, since it uses less digits than its factorization.

83929823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576.

The product of its digits is 186624, while the sum is 44.

The square root of 83929823 is about 9161.3221207422. The cubic root of 83929823 is about 437.8299190908.

The spelling of 83929823 in words is "eighty-three million, nine hundred twenty-nine thousand, eight hundred twenty-three".