80434823 has 12 divisors (see below), whose sum is σ = 93863952. Its totient is φ = 68725440.

The previous prime is 80434817. The next prime is 80434853. The reversal of 80434823 is 32843408.

It is not a de Polignac number, because 80434823 - 2⁴ = 80434807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80434823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80434853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14078 + ... + 18948.

It is an arithmetic number, because the mean of its divisors is an integer number (7821996).

Almost surely, 2^80434823 is an apocalyptic number.

80434823 is a deficient number, since it is larger than the sum of its proper divisors (13429129).

80434823 is a wasteful number, since it uses less digits than its factorization.

80434823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 80434823 is about 8968.5463147603. The cubic root of 80434823 is about 431.6661926786. Note that the first 3 decimals are identical.

The spelling of 80434823 in words is "eighty million, four hundred thirty-four thousand, eight hundred twenty-three".