1820450033823 has 8 divisors (see below), whose sum is σ = 2427895064448. Its totient is φ = 1213319179544.

The previous prime is 1820450033789. The next prime is 1820450033837. The reversal of 1820450033823 is 3283300540281.

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 1820450033823 - 2¹³ = 1820450025631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820450033893) 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, 78530565 + ... + 78553742.

It is an arithmetic number, because the mean of its divisors is an integer number (303486883056).

Almost surely, 2^{1820450033823} is an apocalyptic number.

1820450033823 is a deficient number, since it is larger than the sum of its proper divisors (607445030625).

1820450033823 is a wasteful number, since it uses less digits than its factorization.

1820450033823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157088173.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 1820450033823 in words is "one trillion, eight hundred twenty billion, four hundred fifty million, thirty-three thousand, eight hundred twenty-three".