80681023 has 2 divisors, whose sum is σ = 80681024. Its totient is φ = 80681022.

The previous prime is 80680981. The next prime is 80681039. The reversal of 80681023 is 32018608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80681023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80680982 and 80681000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80682023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40340511 + 40340512.

It is an arithmetic number, because the mean of its divisors is an integer number (40340512).

Almost surely, 2^80681023 is an apocalyptic number.

80681023 is a deficient number, since it is larger than the sum of its proper divisors (1).

80681023 is an equidigital number, since it uses as much as digits as its factorization.

80681023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 80681023 is about 8982.2615749042. The cubic root of 80681023 is about 432.1061678219.

The spelling of 80681023 in words is "eighty million, six hundred eighty-one thousand, twenty-three".