23221323230 has 64 divisors (see below), whose sum is σ = 51408888192. Its totient is φ = 7370403840.

The previous prime is 23221323221. The next prime is 23221323289. The reversal of 23221323230 is 3232312232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23221323196 and 23221323205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87359 + ... + 232538.

It is an arithmetic number, because the mean of its divisors is an integer number (803263878).

Almost surely, 2^23221323230 is an apocalyptic number.

23221323230 is an abundant number, since it is smaller than the sum of its proper divisors (28187564962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221323230 is a wasteful number, since it uses less digits than its factorization.

23221323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319989.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23221323230 its reverse (3232312232), we get a palindrome (26453635462).

The spelling of 23221323230 in words is "twenty-three billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty".