21232033333 has 8 divisors (see below), whose sum is σ = 24606944640. Its totient is φ = 17942562960.

The previous prime is 21232033321. The next prime is 21232033367. The reversal of 21232033333 is 33333023212.

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

It is not a de Polignac number, because 21232033333 - 2⁵ = 21232033301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21232033298 and 21232033307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232033313) 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, 21359698 + ... + 21360691.

It is an arithmetic number, because the mean of its divisors is an integer number (3075868080).

Almost surely, 2^21232033333 is an apocalyptic number.

It is an amenable number.

21232033333 is a deficient number, since it is larger than the sum of its proper divisors (3374911307).

21232033333 is an equidigital number, since it uses as much as digits as its factorization.

21232033333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42720467.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 21232033333 its reverse (33333023212), we get a palindrome (54565056545).

The spelling of 21232033333 in words is "twenty-one billion, two hundred thirty-two million, thirty-three thousand, three hundred thirty-three".