80665023 has 8 divisors (see below), whose sum is σ = 107597488. Its totient is φ = 53754624.

The previous prime is 80665001. The next prime is 80665027. The reversal of 80665023 is 32056608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80665023 - 2²¹ = 78567871 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 (80665027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7215 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (13449686).

Almost surely, 2^80665023 is an apocalyptic number.

80665023 is a deficient number, since it is larger than the sum of its proper divisors (26932465).

80665023 is a wasteful number, since it uses less digits than its factorization.

80665023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 80665023 is about 8981.3708864516. The cubic root of 80665023 is about 432.0776020143.

The spelling of 80665023 in words is "eighty million, six hundred sixty-five thousand, twenty-three".