1723483861812 has 36 divisors (see below), whose sum is σ = 4612853867076. Its totient is φ = 540700819200.

The previous prime is 1723483861811. The next prime is 1723483861831. The reversal of 1723483861812 is 2181683843271.

1723483861812 is a `hidden beast` number, since 1 + 7 + 2 + 3 + 4 + 8 + 3 + 8 + 618 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1176348483216 + 547135378596 = 1084596^2 + 739686^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1723483861812² (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 (1723483861811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408074439 + ... + 1408075662.

It is an arithmetic number, because the mean of its divisors is an integer number (128134829641).

Almost surely, 2^{1723483861812} is an apocalyptic number.

1723483861812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1723483861812 is an abundant number, since it is smaller than the sum of its proper divisors (2889370005264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1723483861812 is a wasteful number, since it uses less digits than its factorization.

1723483861812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816150128 (or 2816150123 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 1723483861812 in words is "one trillion, seven hundred twenty-three billion, four hundred eighty-three million, eight hundred sixty-one thousand, eight hundred twelve".