80117823 has 8 divisors (see below), whose sum is σ = 107665408. Its totient is φ = 52991064.

The previous prime is 80117803. The next prime is 80117833. The reversal of 80117823 is 32871108.

It is a happy number.

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

It is not a de Polignac number, because 80117823 - 2⁶ = 80117759 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 (80117803) 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, 104761 + ... + 105522.

It is an arithmetic number, because the mean of its divisors is an integer number (13458176).

Almost surely, 2^80117823 is an apocalyptic number.

80117823 is a deficient number, since it is larger than the sum of its proper divisors (27547585).

80117823 is a wasteful number, since it uses less digits than its factorization.

80117823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210413.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 80117823 is about 8950.8559925853. The cubic root of 80117823 is about 431.0983692080.

The spelling of 80117823 in words is "eighty million, one hundred seventeen thousand, eight hundred twenty-three".