823375448 has 32 divisors (see below), whose sum is σ = 1807414560. Its totient is φ = 344267520.

The previous prime is 823375439. The next prime is 823375451. The reversal of 823375448 is 844573328.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 823375399 and 823375408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177011 + ... + 181602.

It is an arithmetic number, because the mean of its divisors is an integer number (56481705).

Almost surely, 2^823375448 is an apocalyptic number.

It is an amenable number.

823375448 is an abundant number, since it is smaller than the sum of its proper divisors (984039112).

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

823375448 is a wasteful number, since it uses less digits than its factorization.

823375448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358667 (or 358663 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 823375448 is about 28694.5194767224. The cubic root of 823375448 is about 937.2727073991.

The spelling of 823375448 in words is "eight hundred twenty-three million, three hundred seventy-five thousand, four hundred forty-eight".