1783363643823 has 8 divisors (see below), whose sum is σ = 2399633038000. Its totient is φ = 1178001672768.

The previous prime is 1783363643797. The next prime is 1783363643833. The reversal of 1783363643823 is 3283463633871.

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

It is not a de Polignac number, because 1783363643823 - 2¹² = 1783363639727 is a prime.

It is a super-2 number, since 2×1783363643823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1783363643833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726855398 + ... + 2726856051.

It is an arithmetic number, because the mean of its divisors is an integer number (299954129750).

Almost surely, 2^{1783363643823} is an apocalyptic number.

1783363643823 is a deficient number, since it is larger than the sum of its proper divisors (616269394177).

1783363643823 is a wasteful number, since it uses less digits than its factorization.

1783363643823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453711561.

The product of its digits is 31352832, while the sum is 57.

The spelling of 1783363643823 in words is "one trillion, seven hundred eighty-three billion, three hundred sixty-three million, six hundred forty-three thousand, eight hundred twenty-three".