823474474328 has 48 divisors (see below), whose sum is σ = 1699891923240. Its totient is φ = 373699652480.

The previous prime is 823474474309. The next prime is 823474474363.

823474474328 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×823474474328² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92126 + ... + 1286637.

Almost surely, 2^823474474328 is an apocalyptic number.

823474474328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

823474474328 is an abundant number, since it is smaller than the sum of its proper divisors (876417448912).

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

823474474328 is a wasteful number, since it uses less digits than its factorization.

823474474328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379408 (or 1379393 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 56.

The spelling of 823474474328 in words is "eight hundred twenty-three billion, four hundred seventy-four million, four hundred seventy-four thousand, three hundred twenty-eight".