122423421 has 8 divisors (see below), whose sum is σ = 163909504. Its totient is φ = 81276480.

The previous prime is 122423393. The next prime is 122423429. The reversal of 122423421 is 124324221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122423421 - 2⁷ = 122423293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83941 + ... + 85386.

It is an arithmetic number, because the mean of its divisors is an integer number (20488688).

Almost surely, 2^122423421 is an apocalyptic number.

It is an amenable number.

122423421 is a deficient number, since it is larger than the sum of its proper divisors (41486083).

122423421 is a wasteful number, since it uses less digits than its factorization.

122423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169571.

The product of its digits is 768, while the sum is 21.

The square root of 122423421 is about 11064.5117831742. The cubic root of 122423421 is about 496.5406827783.

Adding to 122423421 its reverse (124324221), we get a palindrome (246747642).

The spelling of 122423421 in words is "one hundred twenty-two million, four hundred twenty-three thousand, four hundred twenty-one".