2124440223 has 4 divisors (see below), whose sum is σ = 2832586968. Its totient is φ = 1416293480.

The previous prime is 2124440191. The next prime is 2124440239. The reversal of 2124440223 is 3220444212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124440223 - 2⁵ = 2124440191 is a prime.

It is a super-2 number, since 2×2124440223² = 9026492522200579458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2124440193 and 2124440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124440243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354073368 + ... + 354073373.

It is an arithmetic number, because the mean of its divisors is an integer number (708146742).

Almost surely, 2^2124440223 is an apocalyptic number.

2124440223 is a deficient number, since it is larger than the sum of its proper divisors (708146745).

2124440223 is an equidigital number, since it uses as much as digits as its factorization.

2124440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708146744.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2124440223 is about 46091.6502525132. The cubic root of 2124440223 is about 1285.5278956664.

Adding to 2124440223 its reverse (3220444212), we get a palindrome (5344884435).

The spelling of 2124440223 in words is "two billion, one hundred twenty-four million, four hundred forty thousand, two hundred twenty-three".