23090828840809 has 8 divisors (see below), whose sum is σ = 23745584374920. Its totient is φ = 22437687995136.

The previous prime is 23090828840789. The next prime is 23090828840839. The reversal of 23090828840809 is 90804882809032.

It can be written as a sum of positive squares in 4 ways, for example, as 5380173030400 + 17710655810409 = 2319520^2 + 4208403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23090828840809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23090828840839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403643104 + ... + 403700305.

It is an arithmetic number, because the mean of its divisors is an integer number (2968198046865).

Almost surely, 2^{23090828840809} is an apocalyptic number.

It is an amenable number.

23090828840809 is a deficient number, since it is larger than the sum of its proper divisors (654755534111).

23090828840809 is an equidigital number, since it uses as much as digits as its factorization.

23090828840809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807344219.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 23090828840809 in words is "twenty-three trillion, ninety billion, eight hundred twenty-eight million, eight hundred forty thousand, eight hundred nine".