8001023 has 4 divisors (see below), whose sum is σ = 8019528. Its totient is φ = 7982520.

The previous prime is 8000989. The next prime is 8001029. The reversal of 8001023 is 3201008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8001023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8000989 and 8001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001029) 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, 8588 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (2004882).

Almost surely, 2^8001023 is an apocalyptic number.

8001023 is a deficient number, since it is larger than the sum of its proper divisors (18505).

8001023 is a wasteful number, since it uses less digits than its factorization.

8001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 8001023 is about 2828.6079615245. The cubic root of 8001023 is about 200.0085246366.

The spelling of 8001023 in words is "eight million, one thousand, twenty-three".