83993023 has 4 divisors (see below), whose sum is σ = 84066408. Its totient is φ = 83919640.

The previous prime is 83993017. The next prime is 83993027. The reversal of 83993023 is 32039938.

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 83993023 - 2⁹ = 83992511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83993027) 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, 34948 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (21016602).

Almost surely, 2^83993023 is an apocalyptic number.

83993023 is a deficient number, since it is larger than the sum of its proper divisors (73385).

83993023 is a wasteful number, since it uses less digits than its factorization.

83993023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73384.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 83993023 is about 9164.7707554526. The cubic root of 83993023 is about 437.9397882939.

The spelling of 83993023 in words is "eighty-three million, nine hundred ninety-three thousand, twenty-three".