801120823 has 2 divisors, whose sum is σ = 801120824. Its totient is φ = 801120822.

The previous prime is 801120799. The next prime is 801120829. The reversal of 801120823 is 328021108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801120823 - 2¹⁷ = 800989751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801120829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400560411 + 400560412.

It is an arithmetic number, because the mean of its divisors is an integer number (400560412).

Almost surely, 2^801120823 is an apocalyptic number.

801120823 is a deficient number, since it is larger than the sum of its proper divisors (1).

801120823 is an equidigital number, since it uses as much as digits as its factorization.

801120823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 801120823 is about 28304.0778510800. The cubic root of 801120823 is about 928.7510977092.

The spelling of 801120823 in words is "eight hundred one million, one hundred twenty thousand, eight hundred twenty-three".