1823784345601 has 4 divisors (see below), whose sum is σ = 1823885746900. Its totient is φ = 1823682944304.

The previous prime is 1823784345577. The next prime is 1823784345629. The reversal of 1823784345601 is 1065434873281.

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 816129753201 + 1007654592400 = 903399^2 + 1003820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1823784345601 - 2⁵ = 1823784345569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1823784345641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50673666 + ... + 50709643.

It is an arithmetic number, because the mean of its divisors is an integer number (455971436725).

Almost surely, 2^{1823784345601} is an apocalyptic number.

It is an amenable number.

1823784345601 is a deficient number, since it is larger than the sum of its proper divisors (101401299).

1823784345601 is a wasteful number, since it uses less digits than its factorization.

1823784345601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101401298.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1823784345601 in words is "one trillion, eight hundred twenty-three billion, seven hundred eighty-four million, three hundred forty-five thousand, six hundred one".