21233323001 has 8 divisors (see below), whose sum is σ = 23388515904. Its totient is φ = 19115611920.

The previous prime is 21233322959. The next prime is 21233323003. The reversal of 21233323001 is 10032333212.

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 21233323001 - 2⁶ = 21233322937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233323003) 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, 9369266 + ... + 9371531.

It is an arithmetic number, because the mean of its divisors is an integer number (2923564488).

Almost surely, 2^21233323001 is an apocalyptic number.

It is an amenable number.

21233323001 is a deficient number, since it is larger than the sum of its proper divisors (2155192903).

21233323001 is a wasteful number, since it uses less digits than its factorization.

21233323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740911.

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

Adding to 21233323001 its reverse (10032333212), we get a palindrome (31265656213).

The spelling of 21233323001 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, one".