2102423321 has 8 divisors (see below), whose sum is σ = 2213560320. Its totient is φ = 1991334672.

The previous prime is 2102423293. The next prime is 2102423329. The reversal of 2102423321 is 1233242012.

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

It is not a de Polignac number, because 2102423321 - 2¹⁴ = 2102406937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102423293 and 2102423302.

It is not an unprimeable number, because it can be changed into a prime (2102423329) 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 7 ways as a sum of consecutive naturals, for example, 107711 + ... + 125723.

It is an arithmetic number, because the mean of its divisors is an integer number (276695040).

Almost surely, 2^2102423321 is an apocalyptic number.

It is an amenable number.

2102423321 is a deficient number, since it is larger than the sum of its proper divisors (111136999).

2102423321 is a wasteful number, since it uses less digits than its factorization.

2102423321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24175.

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

The square root of 2102423321 is about 45852.1899258912. The cubic root of 2102423321 is about 1281.0715556967.

Adding to 2102423321 its reverse (1233242012), we get a palindrome (3335665333).

The spelling of 2102423321 in words is "two billion, one hundred two million, four hundred twenty-three thousand, three hundred twenty-one".