21232324 has 12 divisors (see below), whose sum is σ = 37352448. Its totient is φ = 10560200.

The previous prime is 21232307. The next prime is 21232363. The reversal of 21232324 is 42323212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13132 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (3112704).

Almost surely, 2^21232324 is an apocalyptic number.

It is an amenable number.

21232324 is a deficient number, since it is larger than the sum of its proper divisors (16120124).

21232324 is a wasteful number, since it uses less digits than its factorization.

21232324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986 (or 27984 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 21232324 is about 4607.8545984004. The cubic root of 21232324 is about 276.9060923185.

Adding to 21232324 its reverse (42323212), we get a palindrome (63555536).

The spelling of 21232324 in words is "twenty-one million, two hundred thirty-two thousand, three hundred twenty-four".