21232441234 has 8 divisors (see below), whose sum is σ = 32946891660. Its totient is φ = 10250144016.

The previous prime is 21232441201. The next prime is 21232441249. The reversal of 21232441234 is 43214423212.

It can be written as a sum of positive squares in 2 ways, for example, as 21192080625 + 40360609 = 145575^2 + 6353^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183038229 + ... + 183038344.

Almost surely, 2^21232441234 is an apocalyptic number.

21232441234 is a deficient number, since it is larger than the sum of its proper divisors (11714450426).

21232441234 is a wasteful number, since it uses less digits than its factorization.

21232441234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366076604.

The product of its digits is 9216, while the sum is 28.

Adding to 21232441234 its reverse (43214423212), we get a palindrome (64446864446).

The spelling of 21232441234 in words is "twenty-one billion, two hundred thirty-two million, four hundred forty-one thousand, two hundred thirty-four".