8189023 has 4 divisors (see below), whose sum is σ = 8327880. Its totient is φ = 8050168.

The previous prime is 8189021. The next prime is 8189033. The reversal of 8189023 is 3209818.

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 8189023 - 2¹ = 8189021 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 (8189021) 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, 69340 + ... + 69457.

It is an arithmetic number, because the mean of its divisors is an integer number (2081970).

Almost surely, 2^8189023 is an apocalyptic number.

8189023 is a deficient number, since it is larger than the sum of its proper divisors (138857).

8189023 is a wasteful number, since it uses less digits than its factorization.

8189023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138856.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8189023 is about 2861.6469034456. The cubic root of 8189023 is about 201.5629458516.

The spelling of 8189023 in words is "eight million, one hundred eighty-nine thousand, twenty-three".