123222340422 has 80 divisors (see below), whose sum is σ = 307738070640. Its totient is φ = 36623342592.

The previous prime is 123222340421. The next prime is 123222340429. The reversal of 123222340422 is 224043222321.

123222340422 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 234 + 0 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222340421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1125123 + ... + 1229774.

It is an arithmetic number, because the mean of its divisors is an integer number (3846725883).

Almost surely, 2^123222340422 is an apocalyptic number.

123222340422 is an abundant number, since it is smaller than the sum of its proper divisors (184515730218).

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

123222340422 is a wasteful number, since it uses less digits than its factorization.

123222340422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354947 (or 2354938 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 123222340422 its reverse (224043222321), we get a palindrome (347265562743).

The spelling of 123222340422 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred forty thousand, four hundred twenty-two".