122222340423 has 40 divisors (see below), whose sum is σ = 191779416576. Its totient is φ = 77422554000.

The previous prime is 122222340397. The next prime is 122222340439. The reversal of 122222340423 is 324043222221.

122222340423 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 234 + 0 + 423 = 666.

It is not a de Polignac number, because 122222340423 - 2¹³ = 122222332231 is a prime.

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 (122222340523) 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, 64078 + ... + 498548.

Almost surely, 2^122222340423 is an apocalyptic number.

122222340423 is a deficient number, since it is larger than the sum of its proper divisors (69557076153).

122222340423 is a wasteful number, since it uses less digits than its factorization.

122222340423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434657 (or 434648 counting only the distinct ones).

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

Adding to 122222340423 its reverse (324043222221), we get a palindrome (446265562644).

The spelling of 122222340423 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred forty thousand, four hundred twenty-three".