21232242341 has 8 divisors (see below), whose sum is σ = 22474591200. Its totient is φ = 20002379760.

The previous prime is 21232242337. The next prime is 21232242347. The reversal of 21232242341 is 14324223212.

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 21232242341 - 2² = 21232242337 is a prime.

It is a super-3 number, since 3×21232242341³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21232242341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232242347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118070 + ... + 3124871.

It is an arithmetic number, because the mean of its divisors is an integer number (2809323900).

Almost surely, 2^21232242341 is an apocalyptic number.

It is an amenable number.

21232242341 is a deficient number, since it is larger than the sum of its proper divisors (1242348859).

21232242341 is a wasteful number, since it uses less digits than its factorization.

21232242341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243139.

The product of its digits is 4608, while the sum is 26.

Adding to 21232242341 its reverse (14324223212), we get a palindrome (35556465553).

The spelling of 21232242341 in words is "twenty-one billion, two hundred thirty-two million, two hundred forty-two thousand, three hundred forty-one".