2823312438 has 24 divisors (see below), whose sum is σ = 6232597488. Its totient is φ = 923347152.

The previous prime is 2823312433. The next prime is 2823312463. The reversal of 2823312438 is 8342133282.

2823312438 is a `hidden beast` number, since 2 + 82 + 331 + 243 + 8 = 666.

It is a super-4 number, since 4×2823312438⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823312433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478770 + ... + 1480677.

It is an arithmetic number, because the mean of its divisors is an integer number (259691562).

Almost surely, 2^2823312438 is an apocalyptic number.

2823312438 is an abundant number, since it is smaller than the sum of its proper divisors (3409285050).

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

2823312438 is a wasteful number, since it uses less digits than its factorization.

2823312438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959508 (or 2959505 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2823312438 is about 53134.8514442263. The cubic root of 2823312438 is about 1413.3606002339.

The spelling of 2823312438 in words is "two billion, eight hundred twenty-three million, three hundred twelve thousand, four hundred thirty-eight".