123235221422 has 4 divisors (see below), whose sum is σ = 184852832136. Its totient is φ = 61617610710.

The previous prime is 123235221419. The next prime is 123235221451. The reversal of 123235221422 is 224122532321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808805354 + ... + 30808805357.

It is an arithmetic number, because the mean of its divisors is an integer number (46213208034).

Almost surely, 2^123235221422 is an apocalyptic number.

123235221422 is a deficient number, since it is larger than the sum of its proper divisors (61617610714).

123235221422 is an equidigital number, since it uses as much as digits as its factorization.

123235221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61617610713.

The product of its digits is 11520, while the sum is 29.

Adding to 123235221422 its reverse (224122532321), we get a palindrome (347357753743).

The spelling of 123235221422 in words is "one hundred twenty-three billion, two hundred thirty-five million, two hundred twenty-one thousand, four hundred twenty-two".