21433352326 has 8 divisors (see below), whose sum is σ = 32150855520. Its totient is φ = 10716400488.

The previous prime is 21433352273. The next prime is 21433352329. The reversal of 21433352326 is 62325333412.

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

It is a super-2 number, since 2×21433352326² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21433352291 and 21433352300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433352329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20766 + ... + 208081.

It is an arithmetic number, because the mean of its divisors is an integer number (4018856940).

Almost surely, 2^21433352326 is an apocalyptic number.

21433352326 is a deficient number, since it is larger than the sum of its proper divisors (10717503194).

21433352326 is a wasteful number, since it uses less digits than its factorization.

21433352326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275678.

The product of its digits is 77760, while the sum is 34.

Adding to 21433352326 its reverse (62325333412), we get a palindrome (83758685738).

The spelling of 21433352326 in words is "twenty-one billion, four hundred thirty-three million, three hundred fifty-two thousand, three hundred twenty-six".