21233123322230 has 32 divisors (see below), whose sum is σ = 38453548440384. Its totient is φ = 8441414839296.

The previous prime is 21233123322167. The next prime is 21233123322247. The reversal of 21233123322230 is 3222332133212.

It is a junction number, because it is equal to n+sod(n) for n = 21233123322193 and 21233123322202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183879 + ... + 10461458.

It is an arithmetic number, because the mean of its divisors is an integer number (1201673388762).

Almost surely, 2^{21233123322230} is an apocalyptic number.

21233123322230 is a deficient number, since it is larger than the sum of its proper divisors (17220425118154).

21233123322230 is a wasteful number, since it uses less digits than its factorization.

21233123322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646040.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21233123322230 its reverse (3222332133212), we get a palindrome (24455455455442).

The spelling of 21233123322230 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty".