80171323 has 2 divisors, whose sum is σ = 80171324. Its totient is φ = 80171322.

The previous prime is 80171321. The next prime is 80171347. The reversal of 80171323 is 32317108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80171323 - 2¹ = 80171321 is a prime.

Together with 80171321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80171321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40085661 + 40085662.

It is an arithmetic number, because the mean of its divisors is an integer number (40085662).

Almost surely, 2^80171323 is an apocalyptic number.

80171323 is a deficient number, since it is larger than the sum of its proper divisors (1).

80171323 is an equidigital number, since it uses as much as digits as its factorization.

80171323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 80171323 is about 8953.8440348266. The cubic root of 80171323 is about 431.1943055430.

The spelling of 80171323 in words is "eighty million, one hundred seventy-one thousand, three hundred twenty-three".