823142982504 has 64 divisors (see below), whose sum is σ = 2129692435200. Its totient is φ = 264810769664.

The previous prime is 823142982449. The next prime is 823142982553. The reversal of 823142982504 is 405289241328.

It is a super-2 number, since 2×823142982504² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461454 + ... + 1944770.

It is an arithmetic number, because the mean of its divisors is an integer number (33276444300).

Almost surely, 2^823142982504 is an apocalyptic number.

It is an amenable number.

823142982504 is an abundant number, since it is smaller than the sum of its proper divisors (1306549452696).

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

823142982504 is a wasteful number, since it uses less digits than its factorization.

823142982504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485802 (or 485798 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 823142982504 in words is "eight hundred twenty-three billion, one hundred forty-two million, nine hundred eighty-two thousand, five hundred four".