2121000323 has 8 divisors (see below), whose sum is σ = 2284621248. Its totient is φ = 1957446144.

The previous prime is 2121000319. The next prime is 2121000379. The reversal of 2121000323 is 3230001212.

It is a happy number.

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 2121000323 - 2² = 2121000319 is a prime.

It is a super-2 number, since 2×2121000323² = 8997284740332208658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121000298 and 2121000307.

It is not an unprimeable number, because it can be changed into a prime (2121000313) 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 7 ways as a sum of consecutive naturals, for example, 63686 + ... + 91092.

It is an arithmetic number, because the mean of its divisors is an integer number (285577656).

Almost surely, 2^2121000323 is an apocalyptic number.

2121000323 is a deficient number, since it is larger than the sum of its proper divisors (163620925).

2121000323 is a wasteful number, since it uses less digits than its factorization.

2121000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33373.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2121000323 is about 46054.3192654066. The cubic root of 2121000323 is about 1284.8336772927.

Adding to 2121000323 its reverse (3230001212), we get a palindrome (5351001535).

The spelling of 2121000323 in words is "two billion, one hundred twenty-one million, three hundred twenty-three", and thus it is an aban number.