13233230021 has 8 divisors (see below), whose sum is σ = 15063914304. Its totient is φ = 11507156320.

The previous prime is 13233230011. The next prime is 13233230047. The reversal of 13233230021 is 12003233231.

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

It is not a de Polignac number, because 13233230021 - 2²² = 13229035717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233229975 and 13233230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233230011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26152376 + ... + 26152881.

It is an arithmetic number, because the mean of its divisors is an integer number (1882989288).

Almost surely, 2^13233230021 is an apocalyptic number.

13233230021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13233230021 is a deficient number, since it is larger than the sum of its proper divisors (1830684283).

13233230021 is a wasteful number, since it uses less digits than its factorization.

13233230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52305291.

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

Adding to 13233230021 its reverse (12003233231), we get a palindrome (25236463252).

The spelling of 13233230021 in words is "thirteen billion, two hundred thirty-three million, two hundred thirty thousand, twenty-one".