21432233242310 has 32 divisors (see below), whose sum is σ = 42085379423232. Its totient is φ = 7793489939680.

The previous prime is 21432233242307. The next prime is 21432233242319. The reversal of 21432233242310 is 1324233223412.

It is a super-2 number, since 2×21432233242310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21432233242319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19887389 + ... + 20937351.

It is an arithmetic number, because the mean of its divisors is an integer number (1315168106976).

Almost surely, 2^{21432233242310} is an apocalyptic number.

21432233242310 is a deficient number, since it is larger than the sum of its proper divisors (20653146180922).

21432233242310 is a wasteful number, since it uses less digits than its factorization.

21432233242310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235548.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21432233242310 its reverse (1324233223412), we get a palindrome (22756466465722).

The spelling of 21432233242310 in words is "twenty-one trillion, four hundred thirty-two billion, two hundred thirty-three million, two hundred forty-two thousand, three hundred ten".