123221224430 has 16 divisors (see below), whose sum is σ = 221876934480. Its totient is φ = 49270994112.

The previous prime is 123221224429. The next prime is 123221224433. The reversal of 123221224430 is 34422122321.

123221224430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123221224430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221224433) 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, 2157359 + ... + 2213738.

It is an arithmetic number, because the mean of its divisors is an integer number (13867308405).

Almost surely, 2^123221224430 is an apocalyptic number.

123221224430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123221224430 is a deficient number, since it is larger than the sum of its proper divisors (98655710050).

123221224430 is a wasteful number, since it uses less digits than its factorization.

123221224430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373923.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123221224430 its reverse (34422122321), we get a palindrome (157643346751).

The spelling of 123221224430 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred thirty".