2043420223 has 4 divisors (see below), whose sum is σ = 2200606408. Its totient is φ = 1886234040.

The previous prime is 2043420209. The next prime is 2043420229. The reversal of 2043420223 is 3220243402.

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 2043420223 - 2⁵ = 2043420191 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2043420194 and 2043420203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043420229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78593073 + ... + 78593098.

It is an arithmetic number, because the mean of its divisors is an integer number (550151602).

Almost surely, 2^2043420223 is an apocalyptic number.

2043420223 is a deficient number, since it is larger than the sum of its proper divisors (157186185).

2043420223 is a wasteful number, since it uses less digits than its factorization.

2043420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157186184.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2043420223 is about 45204.2058109641. The cubic root of 2043420223 is about 1268.9735279506.

Adding to 2043420223 its reverse (3220243402), we get a palindrome (5263663625).

The spelling of 2043420223 in words is "two billion, forty-three million, four hundred twenty thousand, two hundred twenty-three".