122423556 has 12 divisors (see below), whose sum is σ = 285654992. Its totient is φ = 40807848.

The previous prime is 122423533. The next prime is 122423563. The reversal of 122423556 is 655324221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100970 + ... + 5100993.

Almost surely, 2^122423556 is an apocalyptic number.

It is an amenable number.

122423556 is an abundant number, since it is smaller than the sum of its proper divisors (163231436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122423556 is a wasteful number, since it uses less digits than its factorization.

122423556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201970 (or 10201968 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 122423556 is about 11064.5178837580. The cubic root of 122423556 is about 496.5408652951.

Adding to 122423556 its reverse (655324221), we get a palindrome (777747777).

The spelling of 122423556 in words is "one hundred twenty-two million, four hundred twenty-three thousand, five hundred fifty-six".