823041188930 has 8 divisors (see below), whose sum is σ = 1481474140092. Its totient is φ = 329216475568.

The previous prime is 823041188923. The next prime is 823041188939. The reversal of 823041188930 is 39881140328.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 817141873681 + 5899315249 = 903959^2 + 76807^2 .

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

It is not an unprimeable number, because it can be changed into a prime (823041188939) 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 3 ways as a sum of consecutive naturals, for example, 41152059437 + ... + 41152059456.

Almost surely, 2^823041188930 is an apocalyptic number.

823041188930 is a deficient number, since it is larger than the sum of its proper divisors (658432951162).

823041188930 is a wasteful number, since it uses less digits than its factorization.

823041188930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82304118900.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 823041188930 in words is "eight hundred twenty-three billion, forty-one million, one hundred eighty-eight thousand, nine hundred thirty".