2321333021 has 8 divisors (see below), whose sum is σ = 2655226944. Its totient is φ = 1988007840.

The previous prime is 2321333011. The next prime is 2321333033. The reversal of 2321333021 is 1203331232.

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

It is a de Polignac number, because none of the positive numbers 2^k-2321333021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321332984 and 2321333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321333011) 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, 133400 + ... + 149793.

It is an arithmetic number, because the mean of its divisors is an integer number (331903368).

Almost surely, 2^2321333021 is an apocalyptic number.

It is an amenable number.

2321333021 is a deficient number, since it is larger than the sum of its proper divisors (333893923).

2321333021 is a wasteful number, since it uses less digits than its factorization.

2321333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284371.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2321333021 is about 48180.2139991096. The cubic root of 2321333021 is about 1324.0746872448.

Adding to 2321333021 its reverse (1203331232), we get a palindrome (3524664253).

The spelling of 2321333021 in words is "two billion, three hundred twenty-one million, three hundred thirty-three thousand, twenty-one".