2312263408 has 80 divisors (see below), whose sum is σ = 5547075520. Its totient is φ = 914644224.

The previous prime is 2312263391. The next prime is 2312263417. The reversal of 2312263408 is 8043622132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312263408.

It is a congruent number.

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, 241366 + ... + 250762.

It is an arithmetic number, because the mean of its divisors is an integer number (69338444).

Almost surely, 2^2312263408 is an apocalyptic number.

2312263408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312263408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2773537760).

2312263408 is an abundant number, since it is smaller than the sum of its proper divisors (3234812112).

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

2312263408 is an equidigital number, since it uses as much as digits as its factorization.

2312263408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451 (or 9419 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2312263408 is about 48086.0001247764. Note that the first 3 decimals coincide. The cubic root of 2312263408 is about 1322.3480185983.

The spelling of 2312263408 in words is "two billion, three hundred twelve million, two hundred sixty-three thousand, four hundred eight".