20461368342823 has 8 divisors (see below), whose sum is σ = 21665020711392. Its totient is φ = 19257720692736.

The previous prime is 20461368342817. The next prime is 20461368342841. The reversal of 20461368342823 is 32824386316402.

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

It is a cyclic number.

It is not a de Polignac number, because 20461368342823 - 2²⁹ = 20460831471911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461368340823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11878311 + ... + 13491367.

It is an arithmetic number, because the mean of its divisors is an integer number (2708127588924).

Almost surely, 2^{20461368342823} is an apocalyptic number.

20461368342823 is a deficient number, since it is larger than the sum of its proper divisors (1203652368569).

20461368342823 is a wasteful number, since it uses less digits than its factorization.

20461368342823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359241.

The product of its (nonzero) digits is 7962624, while the sum is 52.

The spelling of 20461368342823 in words is "twenty trillion, four hundred sixty-one billion, three hundred sixty-eight million, three hundred forty-two thousand, eight hundred twenty-three".