8123893 has 4 divisors (see below), whose sum is σ = 8277228. Its totient is φ = 7970560.

The previous prime is 8123881. The next prime is 8123897. The reversal of 8123893 is 3983218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3983218 = 2 ⋅1991609.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 850084 = 2697^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 8123893 - 2¹⁷ = 7992821 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 (8123897) 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, 76588 + ... + 76693.

It is an arithmetic number, because the mean of its divisors is an integer number (2069307).

Almost surely, 2^8123893 is an apocalyptic number.

It is an amenable number.

8123893 is a deficient number, since it is larger than the sum of its proper divisors (153335).

8123893 is a wasteful number, since it uses less digits than its factorization.

8123893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153334.

The product of its digits is 10368, while the sum is 34.

The square root of 8123893 is about 2850.2443754878. The cubic root of 8123893 is about 201.0271573744.

The spelling of 8123893 in words is "eight million, one hundred twenty-three thousand, eight hundred ninety-three".