80394523 has 8 divisors (see below), whose sum is σ = 89141616. Its totient is φ = 71887200.

The previous prime is 80394511. The next prime is 80394527. The reversal of 80394523 is 32549308.

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 80394523 - 2¹³ = 80386331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80394527) 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, 59236 + ... + 60577.

It is an arithmetic number, because the mean of its divisors is an integer number (11142702).

Almost surely, 2^80394523 is an apocalyptic number.

80394523 is a deficient number, since it is larger than the sum of its proper divisors (8747093).

80394523 is a wasteful number, since it uses less digits than its factorization.

80394523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119885.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 80394523 is about 8966.2992923502. The cubic root of 80394523 is about 431.5940885284.

The spelling of 80394523 in words is "eighty million, three hundred ninety-four thousand, five hundred twenty-three".