823420360224001 has 4 divisors (see below), whose sum is σ = 831573037058004. Its totient is φ = 815267683390000.

The previous prime is 823420360223983. The next prime is 823420360224053. The reversal of 823420360224001 is 100422063024328.

It is a happy number.

823420360224001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 533110048358976 + 290310311865025 = 23089176^2 + 17038495^2 .

It is a cyclic number.

It is not a de Polignac number, because 823420360224001 - 2¹⁷ = 823420360092929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823420360234001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076338416850 + ... + 4076338417051.

It is an arithmetic number, because the mean of its divisors is an integer number (207893259264501).

Almost surely, 2^{823420360224001} is an apocalyptic number.

It is an amenable number.

823420360224001 is a deficient number, since it is larger than the sum of its proper divisors (8152676834003).

823420360224001 is a wasteful number, since it uses less digits than its factorization.

823420360224001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152676834002.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 823420360224001 in words is "eight hundred twenty-three trillion, four hundred twenty billion, three hundred sixty million, two hundred twenty-four thousand, one".