21000023232322 has 16 divisors (see below), whose sum is σ = 32034194280000. Its totient is φ = 10321961367280.

The previous prime is 21000023232317. The next prime is 21000023232323. The reversal of 21000023232322 is 22323232000012.

It is a junction number, because it is equal to n+sod(n) for n = 21000023232293 and 21000023232302.

It is not an unprimeable number, because it can be changed into a prime (21000023232323) 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 7 ways as a sum of consecutive naturals, for example, 15353304 + ... + 16665052.

It is an arithmetic number, because the mean of its divisors is an integer number (2002137142500).

Almost surely, 2^{21000023232322} is an apocalyptic number.

21000023232322 is a deficient number, since it is larger than the sum of its proper divisors (11034171047678).

21000023232322 is a wasteful number, since it uses less digits than its factorization.

21000023232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447481.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21000023232322 its reverse (22323232000012), we get a palindrome (43323255232334).

The spelling of 21000023232322 in words is "twenty-one trillion, twenty-three million, two hundred thirty-two thousand, three hundred twenty-two".