122343654421 has 8 divisors (see below), whose sum is σ = 123166036224. Its totient is φ = 121522148640.

The previous prime is 122343654409. The next prime is 122343654451. The reversal of 122343654421 is 124456343221.

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

It is a cyclic number.

It is not a de Polignac number, because 122343654421 - 2⁹ = 122343653909 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 (122343654451) 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, 62460 + ... + 498586.

It is an arithmetic number, because the mean of its divisors is an integer number (15395754528).

Almost surely, 2^122343654421 is an apocalyptic number.

It is an amenable number.

122343654421 is a deficient number, since it is larger than the sum of its proper divisors (822381803).

122343654421 is a wasteful number, since it uses less digits than its factorization.

122343654421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438011.

The product of its digits is 138240, while the sum is 37.

Adding to 122343654421 its reverse (124456343221), we get a palindrome (246799997642).

The spelling of 122343654421 in words is "one hundred twenty-two billion, three hundred forty-three million, six hundred fifty-four thousand, four hundred twenty-one".