2085720023 has 2 divisors, whose sum is σ = 2085720024. Its totient is φ = 2085720022.

The previous prime is 2085719989. The next prime is 2085720053. The reversal of 2085720023 is 3200275802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2085720023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085720053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042860011 + 1042860012.

It is an arithmetic number, because the mean of its divisors is an integer number (1042860012).

Almost surely, 2^2085720023 is an apocalyptic number.

2085720023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085720023 is an equidigital number, since it uses as much as digits as its factorization.

2085720023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2085720023 is about 45669.6838504494. The cubic root of 2085720023 is about 1277.6699192770.

Adding to 2085720023 its reverse (3200275802), we get a palindrome (5285995825).

The spelling of 2085720023 in words is "two billion, eighty-five million, seven hundred twenty thousand, twenty-three".