21233324127 has 8 divisors (see below), whose sum is σ = 28318558464. Its totient is φ = 14151819608.

The previous prime is 21233324107. The next prime is 21233324129. The reversal of 21233324127 is 72142333212.

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 21233324127 - 2²⁶ = 21166215263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21233324094 and 21233324103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233324129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919143 + ... + 941960.

It is an arithmetic number, because the mean of its divisors is an integer number (3539819808).

Almost surely, 2^21233324127 is an apocalyptic number.

21233324127 is a deficient number, since it is larger than the sum of its proper divisors (7085234337).

21233324127 is a wasteful number, since it uses less digits than its factorization.

21233324127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864909.

The product of its digits is 12096, while the sum is 30.

Adding to 21233324127 its reverse (72142333212), we get a palindrome (93375657339).

The spelling of 21233324127 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-four thousand, one hundred twenty-seven".