123421502226 has 32 divisors (see below), whose sum is σ = 270998480448. Its totient is φ = 37162232640.

The previous prime is 123421502177. The next prime is 123421502227. The reversal of 123421502226 is 622205124321.

123421502226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123421502193 and 123421502202.

It is not an unprimeable number, because it can be changed into a prime (123421502227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5945125 + ... + 5965848.

It is an arithmetic number, because the mean of its divisors is an integer number (8468702514).

Almost surely, 2^123421502226 is an apocalyptic number.

123421502226 is an abundant number, since it is smaller than the sum of its proper divisors (147576978222).

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

123421502226 is a wasteful number, since it uses less digits than its factorization.

123421502226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911146.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 123421502226 its reverse (622205124321), we get a palindrome (745626626547).

The spelling of 123421502226 in words is "one hundred twenty-three billion, four hundred twenty-one million, five hundred two thousand, two hundred twenty-six".