2043221123 has 8 divisors (see below), whose sum is σ = 2137632768. Its totient is φ = 1949274184.

The previous prime is 2043221111. The next prime is 2043221203. The reversal of 2043221123 is 3211223402.

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

It is a cyclic number.

It is not a de Polignac number, because 2043221123 - 2⁸ = 2043220867 is a prime.

It is a super-2 number, since 2×2043221123² = 8349505114946762258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043221095 and 2043221104.

It is not an unprimeable number, because it can be changed into a prime (2043221723) 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, 107165 + ... + 124782.

It is an arithmetic number, because the mean of its divisors is an integer number (267204096).

Almost surely, 2^2043221123 is an apocalyptic number.

2043221123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2043221123 is a deficient number, since it is larger than the sum of its proper divisors (94411645).

2043221123 is a wasteful number, since it uses less digits than its factorization.

2043221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232353.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2043221123 is about 45202.0035286048. The cubic root of 2043221123 is about 1268.9323126012.

Adding to 2043221123 its reverse (3211223402), we get a palindrome (5254444525).

The spelling of 2043221123 in words is "two billion, forty-three million, two hundred twenty-one thousand, one hundred twenty-three".