83666023 has 8 divisors (see below), whose sum is σ = 95700992. Its totient is φ = 71651736.

The previous prime is 83666021. The next prime is 83666029. The reversal of 83666023 is 32066638.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83666023 - 2¹ = 83666021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83666023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83666021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 13792.

It is an arithmetic number, because the mean of its divisors is an integer number (11962624).

Almost surely, 2^83666023 is an apocalyptic number.

83666023 is a deficient number, since it is larger than the sum of its proper divisors (12034969).

83666023 is a wasteful number, since it uses less digits than its factorization.

83666023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 83666023 is about 9146.9133044979. The cubic root of 83666023 is about 437.3707229465.

The spelling of 83666023 in words is "eighty-three million, six hundred sixty-six thousand, twenty-three".