21232223323132 has 24 divisors (see below), whose sum is σ = 38788663560192. Its totient is φ = 10150147484400.

The previous prime is 21232223323117. The next prime is 21232223323133. The reversal of 21232223323132 is 23132332223212.

It is a junction number, because it is equal to n+sod(n) for n = 21232223323094 and 21232223323103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232223323133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49719244 + ... + 50144467.

It is an arithmetic number, because the mean of its divisors is an integer number (1616194315008).

Almost surely, 2^{21232223323132} is an apocalyptic number.

It is an amenable number.

21232223323132 is a deficient number, since it is larger than the sum of its proper divisors (17556440237060).

21232223323132 is a wasteful number, since it uses less digits than its factorization.

21232223323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99866049 (or 99866047 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 21232223323132 its reverse (23132332223212), we get a palindrome (44364555546344).

The spelling of 21232223323132 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-two".