80844523 has 2 divisors, whose sum is σ = 80844524. Its totient is φ = 80844522.

The previous prime is 80844493. The next prime is 80844583. The reversal of 80844523 is 32544808.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80844523 is a prime.

It is not a weakly prime, because it can be changed into another prime (80844583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40422261 + 40422262.

It is an arithmetic number, because the mean of its divisors is an integer number (40422262).

Almost surely, 2^80844523 is an apocalyptic number.

80844523 is a deficient number, since it is larger than the sum of its proper divisors (1).

80844523 is an equidigital number, since it uses as much as digits as its factorization.

80844523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 80844523 is about 8991.3582399991. The cubic root of 80844523 is about 432.3978584238.

The spelling of 80844523 in words is "eighty million, eight hundred forty-four thousand, five hundred twenty-three".