80664123 has 4 divisors (see below), whose sum is σ = 107552168. Its totient is φ = 53776080.

The previous prime is 80664113. The next prime is 80664127. The reversal of 80664123 is 32146608.

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

It is not a de Polignac number, because 80664123 - 2⁵ = 80664091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80664127) 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, 13444018 + ... + 13444023.

It is an arithmetic number, because the mean of its divisors is an integer number (26888042).

Almost surely, 2^80664123 is an apocalyptic number.

80664123 is a deficient number, since it is larger than the sum of its proper divisors (26888045).

80664123 is a wasteful number, since it uses less digits than its factorization.

80664123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888044.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 80664123 is about 8981.3207826021. The cubic root of 80664123 is about 432.0759950754.

The spelling of 80664123 in words is "eighty million, six hundred sixty-four thousand, one hundred twenty-three".