2135844223 has 8 divisors (see below), whose sum is σ = 2169538560. Its totient is φ = 2102250360.

The previous prime is 2135844211. The next prime is 2135844259. The reversal of 2135844223 is 3224485312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2135844223 - 2⁹ = 2135843711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135848223) 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, 18318 + ... + 67876.

It is an arithmetic number, because the mean of its divisors is an integer number (271192320).

Almost surely, 2^2135844223 is an apocalyptic number.

2135844223 is a deficient number, since it is larger than the sum of its proper divisors (33694337).

2135844223 is an equidigital number, since it uses as much as digits as its factorization.

2135844223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50237.

The product of its digits is 46080, while the sum is 34.

The square root of 2135844223 is about 46215.1947199187. The cubic root of 2135844223 is about 1287.8240309008.

The spelling of 2135844223 in words is "two billion, one hundred thirty-five million, eight hundred forty-four thousand, two hundred twenty-three".