122354505423 has 8 divisors (see below), whose sum is σ = 181265934000. Its totient is φ = 81569670264.

The previous prime is 122354505407. The next prime is 122354505431. The reversal of 122354505423 is 324505453221.

122354505423 is a `hidden beast` number, since 1 + 223 + 5 + 4 + 5 + 0 + 5 + 423 = 666.

It is not a de Polignac number, because 122354505423 - 2⁴ = 122354505407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122354505463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265824148 + ... + 2265824201.

It is an arithmetic number, because the mean of its divisors is an integer number (22658241750).

Almost surely, 2^122354505423 is an apocalyptic number.

122354505423 is a deficient number, since it is larger than the sum of its proper divisors (58911428577).

122354505423 is an equidigital number, since it uses as much as digits as its factorization.

122354505423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531648358 (or 4531648352 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 122354505423 its reverse (324505453221), we get a palindrome (446859958644).

The spelling of 122354505423 in words is "one hundred twenty-two billion, three hundred fifty-four million, five hundred five thousand, four hundred twenty-three".