122223423 has 16 divisors (see below), whose sum is σ = 186407936. Its totient is φ = 69780960.

The previous prime is 122223347. The next prime is 122223427. The reversal of 122223423 is 324322221.

It is not a de Polignac number, because 122223423 - 2¹³ = 122215231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122223423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223427) 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, 34890 + ... + 38232.

It is an arithmetic number, because the mean of its divisors is an integer number (11650496).

Almost surely, 2^122223423 is an apocalyptic number.

122223423 is a deficient number, since it is larger than the sum of its proper divisors (64184513).

122223423 is a wasteful number, since it uses less digits than its factorization.

122223423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094.

The product of its digits is 1152, while the sum is 21.

The square root of 122223423 is about 11055.4702749363. The cubic root of 122223423 is about 496.2701428502.

Adding to 122223423 its reverse (324322221), we get a palindrome (446545644).

The spelling of 122223423 in words is "one hundred twenty-two million, two hundred twenty-three thousand, four hundred twenty-three".