1823816532 has 24 divisors (see below), whose sum is σ = 4256644896. Its totient is φ = 607785568.

The previous prime is 1823816531. The next prime is 1823816551. The reversal of 1823816532 is 2356183281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823816531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37003 + ... + 70829.

It is an arithmetic number, because the mean of its divisors is an integer number (177360204).

Almost surely, 2^1823816532 is an apocalyptic number.

1823816532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1823816532 is an abundant number, since it is smaller than the sum of its proper divisors (2432828364).

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

1823816532 is a wasteful number, since it uses less digits than its factorization.

1823816532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38327 (or 38325 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1823816532 is about 42706.1650350391. The cubic root of 1823816532 is about 1221.7819815829.

The spelling of 1823816532 in words is "one billion, eight hundred twenty-three million, eight hundred sixteen thousand, five hundred thirty-two".