2043122321 has 8 divisors (see below), whose sum is σ = 2102027424. Its totient is φ = 1985052960.

The previous prime is 2043122303. The next prime is 2043122327. The reversal of 2043122321 is 1232213402.

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 2043122321 - 2¹⁸ = 2042860177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043122293 and 2043122302.

It is not an unprimeable number, because it can be changed into a prime (2043122327) 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, 203975 + ... + 213756.

It is an arithmetic number, because the mean of its divisors is an integer number (262753428).

Almost surely, 2^2043122321 is an apocalyptic number.

It is an amenable number.

2043122321 is a deficient number, since it is larger than the sum of its proper divisors (58905103).

2043122321 is an equidigital number, since it uses as much as digits as its factorization.

2043122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417871.

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

The square root of 2043122321 is about 45200.9106213581. The cubic root of 2043122321 is about 1268.9118587746.

Adding to 2043122321 its reverse (1232213402), we get a palindrome (3275335723).

The spelling of 2043122321 in words is "two billion, forty-three million, one hundred twenty-two thousand, three hundred twenty-one".