2121002330323 has 8 divisors (see below), whose sum is σ = 2130125946048. Its totient is φ = 2111890186344.

The previous prime is 2121002330311. The next prime is 2121002330347. The reversal of 2121002330323 is 3230332001212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121002330323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121002330294 and 2121002330303.

It is not an unprimeable number, because it can be changed into a prime (2121002330023) 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, 2497261 + ... + 3237022.

It is an arithmetic number, because the mean of its divisors is an integer number (266265743256).

Almost surely, 2^{2121002330323} is an apocalyptic number.

2121002330323 is a deficient number, since it is larger than the sum of its proper divisors (9123615725).

2121002330323 is a wasteful number, since it uses less digits than its factorization.

2121002330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735873.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2121002330323 its reverse (3230332001212), we get a palindrome (5351334331535).

The spelling of 2121002330323 in words is "two trillion, one hundred twenty-one billion, two million, three hundred thirty thousand, three hundred twenty-three".