2111823320 has 16 divisors (see below), whose sum is σ = 4751602560. Its totient is φ = 844729312.

The previous prime is 2111823299. The next prime is 2111823331. The reversal of 2111823320 is 233281112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26397752 + ... + 26397831.

It is an arithmetic number, because the mean of its divisors is an integer number (296975160).

Almost surely, 2^2111823320 is an apocalyptic number.

2111823320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111823320 is an abundant number, since it is smaller than the sum of its proper divisors (2639779240).

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

2111823320 is a wasteful number, since it uses less digits than its factorization.

2111823320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795594 (or 52795590 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2111823320 is about 45954.5788795850. The cubic root of 2111823320 is about 1282.9779540331.

The spelling of 2111823320 in words is "two billion, one hundred eleven million, eight hundred twenty-three thousand, three hundred twenty".