21233232241 has 8 divisors (see below), whose sum is σ = 24070061120. Its totient is φ = 18568332432.

The previous prime is 21233232221. The next prime is 21233232263. The reversal of 21233232241 is 14223233212.

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

It is not a de Polignac number, because 21233232241 - 2¹⁵ = 21233199473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233232221) 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, 42982005 + ... + 42982498.

It is an arithmetic number, because the mean of its divisors is an integer number (3008757640).

Almost surely, 2^21233232241 is an apocalyptic number.

It is an amenable number.

21233232241 is a deficient number, since it is larger than the sum of its proper divisors (2836828879).

21233232241 is a wasteful number, since it uses less digits than its factorization.

21233232241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85964535.

The product of its digits is 3456, while the sum is 25.

Adding to 21233232241 its reverse (14223233212), we get a palindrome (35456465453).

The spelling of 21233232241 in words is "twenty-one billion, two hundred thirty-three million, two hundred thirty-two thousand, two hundred forty-one".