823371130404 has 45 divisors (see below), whose sum is σ = 2152497475051. Its totient is φ = 274451599080.

The previous prime is 823371130399. The next prime is 823371130441. The reversal of 823371130404 is 404031173328.

The square root of 823371130404 is 907398.

It is a perfect power (a square), and thus also a powerful number.

823371130404 is a `hidden beast` number, since 8 + 2 + 337 + 11 + 304 + 0 + 4 = 666.

It is a super-3 number, since 3×823371130404³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 16307959 + ... + 16358369.

Almost surely, 2^823371130404 is an apocalyptic number.

823371130404 is the 907398-th square number.

It is an amenable number.

823371130404 is an abundant number, since it is smaller than the sum of its proper divisors (1329126344647).

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

823371130404 is an frugal number, since it uses more digits than its factorization.

823371130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100838 (or 50416 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Multiplying 823371130404 by its sum of digits (36), we get a square (29641360694544 = 5444388²).

823371130404 divided by its sum of digits (36) gives a square (22871420289 = 151233²).

The spelling of 823371130404 in words is "eight hundred twenty-three billion, three hundred seventy-one million, one hundred thirty thousand, four hundred four".