80123859 has 6 divisors (see below), whose sum is σ = 115734476. Its totient is φ = 53415900.

The previous prime is 80123837. The next prime is 80123887. The reversal of 80123859 is 95832108.

It is not a de Polignac number, because 80123859 - 2¹⁵ = 80091091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80123359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4451317 + ... + 4451334.

Almost surely, 2^80123859 is an apocalyptic number.

80123859 is a deficient number, since it is larger than the sum of its proper divisors (35610617).

80123859 is a wasteful number, since it uses less digits than its factorization.

80123859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902657 (or 8902654 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 80123859 is about 8951.1931606909. The cubic root of 80123859 is about 431.1091951154.

The spelling of 80123859 in words is "eighty million, one hundred twenty-three thousand, eight hundred fifty-nine".