7943323812 has 24 divisors (see below), whose sum is σ = 19132307712. Its totient is φ = 2562362400.

The previous prime is 7943323811. The next prime is 7943323819. The reversal of 7943323812 is 2183233497.

It is a super-2 number, since 2×7943323812² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7943323811) 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, 10676139 + ... + 10676882.

It is an arithmetic number, because the mean of its divisors is an integer number (797179488).

Almost surely, 2^7943323812 is an apocalyptic number.

It is an amenable number.

7943323812 is an abundant number, since it is smaller than the sum of its proper divisors (11188983900).

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

7943323812 is a wasteful number, since it uses less digits than its factorization.

7943323812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353059 (or 21353057 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 7943323812 is about 89125.3264341848. The cubic root of 7943323812 is about 1995.2657867882.

The spelling of 7943323812 in words is "seven billion, nine hundred forty-three million, three hundred twenty-three thousand, eight hundred twelve".