83871023 has 4 divisors (see below), whose sum is σ = 84268728. Its totient is φ = 83473320.

The previous prime is 83871001. The next prime is 83871043. The reversal of 83871023 is 32017838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32017838 = 2 ⋅16008919.

It is a cyclic number.

It is not a de Polignac number, because 83871023 - 2¹⁶ = 83805487 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 (83871043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198536 + ... + 198957.

It is an arithmetic number, because the mean of its divisors is an integer number (21067182).

Almost surely, 2^83871023 is an apocalyptic number.

83871023 is a deficient number, since it is larger than the sum of its proper divisors (397705).

83871023 is a wasteful number, since it uses less digits than its factorization.

83871023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397704.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 83871023 is about 9158.1124146846. The cubic root of 83871023 is about 437.7276494695.

The spelling of 83871023 in words is "eighty-three million, eight hundred seventy-one thousand, twenty-three".