122023323421 has 4 divisors (see below), whose sum is σ = 124325650332. Its totient is φ = 119720996512.

The previous prime is 122023323397. The next prime is 122023323467. The reversal of 122023323421 is 124323320221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42053704900 + 79969618521 = 205070^2 + 282789^2 .

It is a cyclic number.

It is not a de Polignac number, because 122023323421 - 2⁷ = 122023323293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122023323491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151163376 + ... + 1151163481.

It is an arithmetic number, because the mean of its divisors is an integer number (31081412583).

Almost surely, 2^122023323421 is an apocalyptic number.

It is an amenable number.

122023323421 is a deficient number, since it is larger than the sum of its proper divisors (2302326911).

122023323421 is an equidigital number, since it uses as much as digits as its factorization.

122023323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302326910.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 122023323421 its reverse (124323320221), we get a palindrome (246346643642).

The spelling of 122023323421 in words is "one hundred twenty-two billion, twenty-three million, three hundred twenty-three thousand, four hundred twenty-one".