823044372 has 24 divisors (see below), whose sum is σ = 1927230816. Its totient is φ = 273377568.

The previous prime is 823044371. The next prime is 823044377. The reversal of 823044372 is 273440328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823044371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117783 + ... + 124574.

It is an arithmetic number, because the mean of its divisors is an integer number (80301284).

Almost surely, 2^823044372 is an apocalyptic number.

It is an amenable number.

823044372 is an abundant number, since it is smaller than the sum of its proper divisors (1104186444).

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

823044372 is a wasteful number, since it uses less digits than its factorization.

823044372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242647 (or 242645 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 823044372 is about 28688.7499204828. The cubic root of 823044372 is about 937.1470660123.

The spelling of 823044372 in words is "eight hundred twenty-three million, forty-four thousand, three hundred seventy-two".