2143223936 has 192 divisors, whose sum is σ = 5231669760. Its totient is φ = 870912000.

The previous prime is 2143223909. The next prime is 2143223941. The reversal of 2143223936 is 6393223412.

It is a junction number, because it is equal to n+sod(n) for n = 2143223896 and 2143223905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14193461 + ... + 14193611.

It is an arithmetic number, because the mean of its divisors is an integer number (27248280).

Almost surely, 2^2143223936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143223936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615834880).

2143223936 is an abundant number, since it is smaller than the sum of its proper divisors (3088445824).

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

2143223936 is a wasteful number, since it uses less digits than its factorization.

2143223936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 264 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 2143223936 is about 46294.9666378538. The cubic root of 2143223936 is about 1289.3055445298.

The spelling of 2143223936 in words is "two billion, one hundred forty-three million, two hundred twenty-three thousand, nine hundred thirty-six".